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Showing 281 - 300 of 797 results

Amyotrophic Lateral Sclerosis (ALS)-Related Mortality Among World Trade Center-Exposed and Non-World Trade Center-Exposed Rescue and Recovery Workers

Singh, Ankura

;

Zeig-Owens, Rachel

2025/11/01 | Int J Environ Res Public Health 2025 Nov; 22(11):1712 | National Institute for Occupational Safety and Health (NIOSH)

Amyotrophic lateral sclerosis (ALS) is a rare but fatal neurodegenerative disease. Some occupational exposures are associated with ALS. This study evaluated ALS mortality rates in World Trade Center (WTC)-exposed and non-WTC-exposed rescue/recovery workers. Fire department workers who were 18-70 years old on 11 September 2001 (9/11) were included i ...

08/10/2026

Title : Amyotrophic Lateral Sclerosis (ALS)-Related Mortality Among World Trade Center-Exposed and Non-World Trade Center-Exposed Rescue and Recovery Workers Personal Author(s) : Singh, Ankura;Zeig-Owens, Rachel;Cannon, Madeline F.;Moline, Tyrone;Schwartz, Theresa M.;Prezant, David J.; Published Date : 2025/11/01 Pages in Document : 10 pdf pages Source : Int J Environ Res Public Health 2025 Nov; 22(11):1712 URL : https://stacks.cdc.gov/view/cdc/258708 Journal Title : International Journal of Environmental Research and Public Health
Singh, Ankura et al. (2025). Amyotrophic Lateral Sclerosis (ALS)-Related Mortality Among World Trade Center-Exposed and Non-World Trade Center-Exposed Rescue and Recovery Workers. International Journal of Environmental Research and Public Health. 22

Singh, Ankura et al. "Amyotrophic Lateral Sclerosis (ALS)-Related Mortality Among World Trade Center-Exposed and Non-World Trade Center-Exposed Rescue and Recovery Workers" International Journal of Environmental Research and Public Health 22 (2025)

Singh, Ankura et al. "Amyotrophic Lateral Sclerosis (ALS)-Related Mortality Among World Trade Center-Exposed and Non-World Trade Center-Exposed Rescue and Recovery Workers" International Journal of Environmental Research and Public Health, vol. 22, 2025
Export RIS Citation Information. TY - Journal Article AU - Singh, Ankura AU - Zeig-Owens, Rachel AU - Cannon, Madeline F. AU - Moline, Tyrone AU - Schwartz, Theresa M. AU - Prezant, David J. AB - Amyotrophic lateral sclerosis (ALS) is a rare but fatal neurodegenerative disease. Some occupational exposures are associated with ALS. This study evaluated ALS mortality rates in World Trade Center (WTC)-exposed and non-WTC-exposed rescue/recovery workers. Fire department workers who were 18-70 years old on 11 September 2001 (9/11) were included in the study (N = 33,122). Follow-up began on the later of 9/11 or on their hire date, and ended at the earliest death date or 31 December 2023. Cause of death data were obtained from the National Death Index; ALS (specifically motor neuron disease)-related mortality was the primary outcome. Demographic data were obtained from the fire departments' databases. We estimated standardized mortality ratios (SMRs) and 95% CIs for ALS-related mortality in WTC-exposed and non-WTC-exposed workers using US population rates as a reference. Multivariable-adjusted Poisson regression models estimated relative rates (RRs) and 95% CIs for ALS-related mortality in the WTC-exposed vs. non-WTC-exposed groups. Between 9/11 and 31 December 2023, five WTC-exposed and sixteen non-WTC-exposed participants died of ALS. ALS mortality rates were lower in WTC-exposed than in non-WTC-exposed rescue/recovery workers (RR = 0.54, 95% CI = 0.49-0.60). ALS-related mortality was not elevated in WTC-exposed (SMR = 0.44, 95% CI = 0.14-1.03) or non-WTC-exposed rescue/recovery workers (SMR = 1.06, 95% CI = 0.60-1.72) compared with the US general population. This initial evaluation of ALS in WTC-exposed workers indicates that the risk of ALS death is not increased in this population. AN - cdc:258708 J2 - International Journal of Environmental Research and Public Health KW - Epidemiology KW - Nervous System KW - Firefighters KW - Safety KW - Nervous System Diseases KW - September 11 Terrorist Attacks KW - Occupational Health KW - Amyotrophic Lateral Sclerosis KW - WTC; World Trade Center; Fire fighters; Mortality rates; Epidemiology; Neurological diseases; Rescue workers; Disaster recovery; KW - Author Keywords: amyotrophic lateral sclerosis; mortality; motor neuron disease; occupational health; firefighters KW - Amyotrophic Lateral Sclerosis KW - Epidemiology KW - Firefighters KW - Nervous System KW - Nervous System Diseases KW - Occupational Health KW - Safety KW - September 11 Terrorist Attacks PY - 2025/11/01 T2 - International Journal of Environmental Research and Public Health T2 - Int J Environ Res Public Health 2025 Nov; 22(11):1712 TI - Amyotrophic Lateral Sclerosis (ALS)-Related Mortality Among World Trade Center-Exposed and Non-World Trade Center-Exposed Rescue and Recovery Workers VL - 22 UR - https://stacks.cdc.gov/view/cdc/258708 ER -
Associations Between Economic Conditions and Mental Health Among Farm Parents

Rudolphi, Josie M. ;

Berg, Richard L.

2026/04/01 | J Agromedicine 2026 Apr; 31(2):263-276 | National Institute for Occupational Safety and Health (NIOSH)

Introduction: Agricultural producers in the United States experience chronic economic volatility that may place them at elevated risk for mental health challenges and disrupted family functioning. Guided by the Family Stress Model (FSM), this study examined associations between economic hardship, mental health, and parenting style among U.S. farm p ...

08/10/2026

Title : Associations Between Economic Conditions and Mental Health Among Farm Parents Personal Author(s) : Rudolphi, Josie M.;Berg, Richard L.;Gabor, Rachel M.;Barnett, Kayleigh; Published Date : 2026/04/01 Pages in Document : 15 pdf pages Source : J Agromedicine 2026 Apr; 31(2):263-276 URL : https://stacks.cdc.gov/view/cdc/258707 Journal Title : Journal of Agromedicine
Rudolphi, Josie M. et al. (2026). Associations Between Economic Conditions and Mental Health Among Farm Parents. Journal of Agromedicine. 31(2).

Rudolphi, Josie M. et al. "Associations Between Economic Conditions and Mental Health Among Farm Parents" Journal of Agromedicine 31, no. 2 (2026)

Rudolphi, Josie M. et al. "Associations Between Economic Conditions and Mental Health Among Farm Parents" Journal of Agromedicine, vol. 31, no. 2, 2026
Export RIS Citation Information. TY - Journal Article AU - Rudolphi, Josie M. AU - Berg, Richard L. AU - Gabor, Rachel M. AU - Barnett, Kayleigh AB - Introduction: Agricultural producers in the United States experience chronic economic volatility that may place them at elevated risk for mental health challenges and disrupted family functioning. Guided by the Family Stress Model (FSM), this study examined associations between economic hardship, mental health, and parenting style among U.S. farm parents. Methods: Data were drawn from a cross-sectional survey conducted in 2021 and 2022 with 298 farm adults across multiple states. The survey included validated measures of financial strain, symptoms of depression and anxiety (PHQ-9, GAD-7), and parenting style, categorised into authoritative, authoritarian, permissive, or uninvolved. Results: Results revealed that 40.7% of farm parents met the threshold for probable depression and 30.6% for probable anxiety - rates substantially higher than national averages. Financial indicators such as difficulty paying bills, unmet material needs, financial cutbacks, and higher debt-to-asset ratios were significantly associated with poorer mental health outcomes. Parenting style was also related to both economic stress and emotional well-being: authoritative parents reported the lowest financial stress and mental health symptoms, while uninvolved parents reported the highest. Conclusions: These findings are consistent with FSM pathways, which posit that economic hardship is associated with greater psychological distress and disruptions in parenting behaviors. AN - cdc:258707 IS - 2 J2 - Journal of Agromedicine KW - Family KW - Agriculture KW - Safety KW - Occupational Health KW - Stress, Psychological KW - Mental Health KW - Agricultural workers; Agriculture; Economic impact; Mental health; Families; Farm workers; Cross sectional studies; Behavior; Stress; Occupational psychology; KW - Author Keywords: Agriculture; mental health; parenting; stress KW - Agriculture KW - Family KW - Mental Health KW - Occupational Health KW - Stress, Psychological KW - Safety PY - 2026/04/01 T2 - Journal of Agromedicine T2 - J Agromedicine 2026 Apr; 31(2):263-276 TI - Associations Between Economic Conditions and Mental Health Among Farm Parents VL - 31 UR - https://stacks.cdc.gov/view/cdc/258707 ER -
Evaluating the Implementation of a Workplace Weight Loss Program Using a Modified Process Evaluation Rating Sheet

Walsh, Ryan J.

;

Strickland, Jaime R.

2026/04/01 | J Occup Environ Med 2026 Apr; 68(4):e267-e274 | National Institute for Occupational Safety and Health (NIOSH)

Objective: The aim of this study was to demonstrate the utility of a modified Process Evaluation Rating Sheet (PERS) for analyzing implementation quality and program efficacy in a workplace weight loss program. Methods: Health care system workgroups formed teams to implement weight loss activities between 2018 and 2020. We used Spearman correlation ...

08/10/2026

Title : Evaluating the Implementation of a Workplace Weight Loss Program Using a Modified Process Evaluation Rating Sheet Personal Author(s) : Walsh, Ryan J.;Strickland, Jaime R.;Kinghorn, Anna M.;Biver, Samuel F.;Colvin, Ryan;Tabak, Rachel G.;Dale, Ann M.;Evanoff, Bradley A.; Published Date : 2026/04/01 Pages in Document : 8 pdf pages Source : J Occup Environ Med 2026 Apr; 68(4):e267-e274 URL : https://stacks.cdc.gov/view/cdc/258706 Journal Title : Journal of Occupational and Environmental Medicine
Walsh, Ryan J. et al. (2026). Evaluating the Implementation of a Workplace Weight Loss Program Using a Modified Process Evaluation Rating Sheet. Journal of Occupational and Environmental Medicine. 68(4).

Walsh, Ryan J. et al. "Evaluating the Implementation of a Workplace Weight Loss Program Using a Modified Process Evaluation Rating Sheet" Journal of Occupational and Environmental Medicine 68, no. 4 (2026)

Walsh, Ryan J. et al. "Evaluating the Implementation of a Workplace Weight Loss Program Using a Modified Process Evaluation Rating Sheet" Journal of Occupational and Environmental Medicine, vol. 68, no. 4, 2026
Export RIS Citation Information. TY - Journal Article AU - Walsh, Ryan J. AU - Strickland, Jaime R. AU - Kinghorn, Anna M. AU - Biver, Samuel F. AU - Colvin, Ryan AU - Tabak, Rachel G. AU - Dale, Ann M. AU - Evanoff, Bradley A. AB - Objective: The aim of this study was to demonstrate the utility of a modified Process Evaluation Rating Sheet (PERS) for analyzing implementation quality and program efficacy in a workplace weight loss program. Methods: Health care system workgroups formed teams to implement weight loss activities between 2018 and 2020. We used Spearman correlations and hierarchical regressions to examine associations between implementation quality captured by the modified PERS and program efficacy outcomes such as organizational health climate and supervisor support measured by the Multifaceted Organizational Health Climate Assessment and Job Content Questionnaire. Results: Four hundred seven workers from 11 workgroups participated. Workgroups with high PERS scores sustained improvement in Multifaceted Organizational Health Climate Assessment and Job Content Questionnaire scores. No group sustained improvements at 24 months. Conclusion: Implementation quality was associated with program efficacy, but the association faded over time. Utilizing the modified PERS may enhance evaluation of workplace health behavior change programs. AN - cdc:258706 IS - 4 J2 - Journal of Occupational and Environmental Medicine KW - Body Weight KW - Safety KW - Occupational Health KW - Health Promotion KW - Health promotion; Intervention effectiveness; Behavior; Total Worker Health; TWH; Community based; Obesity; Body weight; KW - Author Keywords: community-based participatory research; health promotion; Total Worker Health®; program evaluation; obesity management KW - Body Weight KW - Health Promotion KW - Occupational Health KW - Safety PY - 2026/04/01 T2 - Journal of Occupational and Environmental Medicine T2 - J Occup Environ Med 2026 Apr; 68(4):e267-e274 TI - Evaluating the Implementation of a Workplace Weight Loss Program Using a Modified Process Evaluation Rating Sheet VL - 68 UR - https://stacks.cdc.gov/view/cdc/258706 ER -
A Joint Modeling Framework for Time-to-Fatigue Prediction with a Single Wearable Sensor Biomarker

Lu, Lin ;

Sedighi-Maman, Zahra

2026/03/06 | Sci Rep 2026 Mar; :Epub ahead of print | National Institute for Occupational Safety and Health (NIOSH)

Physical fatigue is a prevalent issue in the U.S. workforce and has resulted in reduced productivity and a higher incidence of workplace accidents. Being able to estimate time to fatigue facilitates proactive interventions before fatigue onset. Existing research has primarily focused on the fatigue state, intensity, and wearable sensor characterist ...

08/10/2026

Title : A Joint Modeling Framework for Time-to-Fatigue Prediction with a Single Wearable Sensor Biomarker Personal Author(s) : Lu, Lin;Sedighi-Maman, Zahra;Cavuoto, Lora A.; Published Date : 2026/03/06 Pages in Document : 17 pdf pages Source : Sci Rep 2026 Mar; :[Epub ahead of print] URL : https://stacks.cdc.gov/view/cdc/258705 Journal Title : Scientific Reports
Lu, Lin et al. (2026). A Joint Modeling Framework for Time-to-Fatigue Prediction with a Single Wearable Sensor Biomarker. Scientific Reports.

Lu, Lin and Sedighi-Maman, Zahra and Cavuoto, Lora A. "A Joint Modeling Framework for Time-to-Fatigue Prediction with a Single Wearable Sensor Biomarker" Scientific Reports (2026)

Lu, Lin et al. "A Joint Modeling Framework for Time-to-Fatigue Prediction with a Single Wearable Sensor Biomarker" Scientific Reports, , 2026
Export RIS Citation Information. TY - Journal Article AU - Lu, Lin AU - Sedighi-Maman, Zahra AU - Cavuoto, Lora A. AB - Physical fatigue is a prevalent issue in the U.S. workforce and has resulted in reduced productivity and a higher incidence of workplace accidents. Being able to estimate time to fatigue facilitates proactive interventions before fatigue onset. Existing research has primarily focused on the fatigue state, intensity, and wearable sensor characteristics while there remains a gap in predicting time to fatigue and identifying indicative biomarkers that can dynamically signal impending fatigue risks. In this study, we utilize simulated manufacturing work tasks and employ a joint modeling framework that links a longitudinal biomarker to predict individual time-to-fatigue outcomes. Across two case studies with differing task demands and durations, the joint model with a single sensor trajectory consistently outperformed baseline methods, including Kaplan-Meier estimates and Cox proportional hazards models, demonstrating its effectiveness for dynamic fatigue prediction in simulated manufacturing tasks while accounting for variations across tasks and individual sensor responses. Although predictive features may vary by task, our results suggest that, within the contexts examined, jerk-based features-identified in previous studies, including our own, as indicators of fatigue states-may also serve as predictors of time to fatigue. These findings advance the understanding of fatigue progression and offer foundational insights for supporting timely interventions in future applied settings. This work highlights the potential of online wearable monitoring and interpretable statistical methods to inform proactive occupational safety strategies and worker well-being initiatives. AN - cdc:258705 J2 - Scientific Reports KW - Wearable Electronic Devices KW - Fatigue KW - Safety KW - Occupational Health KW - Musculoskeletal System KW - Fatigue; Wearable technologies; Sensors; Monitoring systems; Biomarkers; Biomechanical modeling; KW - Author Keywords: Joint model; Single sensor; Dynamic predictions; Physical fatigue KW - Fatigue KW - Musculoskeletal System KW - Occupational Health KW - Safety KW - Wearable Electronic Devices PY - 2026/03/06 T2 - Scientific Reports T2 - Sci Rep 2026 Mar; :[Epub ahead of print] TI - A Joint Modeling Framework for Time-to-Fatigue Prediction with a Single Wearable Sensor Biomarker UR - https://stacks.cdc.gov/view/cdc/258705 ER -
Delayed Center of Mass Feedback in Elderly Humans Leads to Greater Muscle Co-Contraction and Altered Balance Strategy Under Perturbed Balance: A Predictive Musculoskeletal Simulation Study

Jones, Rachel M. ;

Ratnakumar, Neethan

2024/05/01 | PLoS One 2024 May; 19(5):e0296548 | National Institute for Occupational Safety and Health (NIOSH)

Falls are one of the leading causes of non-disease death and injury in the elderly, often due to delayed sensory neural feedback essential for balance. This delay, challenging to measure or manipulate in human studies, necessitates exploration through neuromusculoskeletal modeling to reveal its intricate effects on balance. In this study, we develo ...

08/10/2026

Title : Delayed Center of Mass Feedback in Elderly Humans Leads to Greater Muscle Co-Contraction and Altered Balance Strategy Under Perturbed Balance: A Predictive Musculoskeletal Simulation Study Personal Author(s) : Jones, Rachel M.;Ratnakumar, Neethan;Akbas, Kubra;Zhou, Xianlian; Published Date : 2024/05/01 Pages in Document : 26 pdf pages Source : PLoS One 2024 May; 19(5):e0296548 URL : https://stacks.cdc.gov/view/cdc/258704 Journal Title : PLoS One
Jones, Rachel M. et al. (2024). Delayed Center of Mass Feedback in Elderly Humans Leads to Greater Muscle Co-Contraction and Altered Balance Strategy Under Perturbed Balance: A Predictive Musculoskeletal Simulation Study. PLoS One. 19(5).

Jones, Rachel M. et al. "Delayed Center of Mass Feedback in Elderly Humans Leads to Greater Muscle Co-Contraction and Altered Balance Strategy Under Perturbed Balance: A Predictive Musculoskeletal Simulation Study" PLoS One 19, no. 5 (2024)

Jones, Rachel M. et al. "Delayed Center of Mass Feedback in Elderly Humans Leads to Greater Muscle Co-Contraction and Altered Balance Strategy Under Perturbed Balance: A Predictive Musculoskeletal Simulation Study" PLoS One, vol. 19, no. 5, 2024
Export RIS Citation Information. TY - Journal Article AU - Jones, Rachel M. AU - Ratnakumar, Neethan AU - Akbas, Kubra AU - Zhou, Xianlian AB - Falls are one of the leading causes of non-disease death and injury in the elderly, often due to delayed sensory neural feedback essential for balance. This delay, challenging to measure or manipulate in human studies, necessitates exploration through neuromusculoskeletal modeling to reveal its intricate effects on balance. In this study, we developed a novel three-way muscle feedback control approach, including muscle length feedback, muscle force feedback, and enter of mass feedback, for balancing and investigated specifically the effects of center of mass feedback delay on elderly people's balance strategies. We conducted simulations of cyclic perturbed balance at different magnitudes ranging from 0 to 80 mm and with three center of mass feedback delays (100, 150 & 200 ms). The results reveal two key points: 1) Longer center of mass feedback delays resulted in increased muscle activations and co-contraction, 2) Prolonged center of mass feedback delays led to noticeable shifts in balance strategies during perturbed standing. Under low-amplitude perturbations, the ankle strategy was predominantly used, while higher amplitude disturbances saw more frequent employment of hip and knee strategies. Additionally, prolonged center of mass delays altered balance strategies across different phases of perturbation, with a noticeable increase in overall ankle strategy usage. These findings underline the adverse effects of prolonged feedback delays on an individual's stability, necessitating greater muscle co-contraction and balance strategy adjustment to maintain balance under perturbation. Our findings advocate for the development of training programs tailored to enhance balance reactions and mitigate muscle feedback delays within clinical or rehabilitation settings for fall prevention in elderly people. AN - cdc:258704 IS - 5 J2 - PLoS One KW - Safety KW - Accidental Falls KW - Occupational Health KW - Biomechanical Phenomena KW - Musculoskeletal System KW - Falls; Aging; Motion studies; Biomechanics; Biomechanical modeling; Biomedical engineering; Muscle function KW - Accidental Falls KW - Biomechanical Phenomena KW - Musculoskeletal System KW - Occupational Health KW - Safety PY - 2024/05/01 T2 - PLoS One T2 - PLoS One 2024 May; 19(5):e0296548 TI - Delayed Center of Mass Feedback in Elderly Humans Leads to Greater Muscle Co-Contraction and Altered Balance Strategy Under Perturbed Balance: A Predictive Musculoskeletal Simulation Study VL - 19 UR - https://stacks.cdc.gov/view/cdc/258704 ER -
Characterization of Human Balance Through a Reinforcement Learning-Based Muscle Controller

Akbas, Kubra

;

Mummolo, Carlotta

2025/04/01 | PLoS One 2025 Apr; 20(4):e0320211 | National Institute for Occupational Safety and Health (NIOSH)

Objective characterization of human balance remains a challenge and clinical observation-based balance tests during physical rehabilitation are often affected by subjectivity. On the other hand, computational approaches mostly rely on center of pressure (COP) tracking and inverted pendulum models, which do not capture the multi-joint and muscle con ...

08/10/2026

Title : Characterization of Human Balance Through a Reinforcement Learning-Based Muscle Controller Personal Author(s) : Akbas, Kubra;Mummolo, Carlotta;Zhou, Xianlian; Published Date : 2025/04/01 Pages in Document : 22 pdf pages Source : PLoS One 2025 Apr; 20(4):e0320211 URL : https://stacks.cdc.gov/view/cdc/258703 Journal Title : PLoS One
Akbas, Kubra et al. (2025). Characterization of Human Balance Through a Reinforcement Learning-Based Muscle Controller. PLoS One. 20(4).

Akbas, Kubra and Mummolo, Carlotta and Zhou, Xianlian "Characterization of Human Balance Through a Reinforcement Learning-Based Muscle Controller" PLoS One 20, no. 4 (2025)

Akbas, Kubra et al. "Characterization of Human Balance Through a Reinforcement Learning-Based Muscle Controller" PLoS One, vol. 20, no. 4, 2025
Export RIS Citation Information. TY - Journal Article AU - Akbas, Kubra AU - Mummolo, Carlotta AU - Zhou, Xianlian AB - Objective characterization of human balance remains a challenge and clinical observation-based balance tests during physical rehabilitation are often affected by subjectivity. On the other hand, computational approaches mostly rely on center of pressure (COP) tracking and inverted pendulum models, which do not capture the multi-joint and muscle contributions to whole-body balance. This study proposes a novel musculoskeletal modeling and control methodology to investigate human balancing capabilities in the center of mass (COM) state space. A musculoskeletal model is integrated with a balance controller trained through reinforcement learning (RL) to explore the limits of dynamic balance during postural sway. The RL framework consists of two interlinked neural networks (balance recovery and muscle coordination) and is trained using Proximal Policy Optimization (PPO) under multiple training strategies. By exploring recovery from random initial COM states with a trained controller, a balance region (BR) is obtained that encloses successful state-space trajectories. Comparing BRs obtained from different trained controllers with the analytical postural stability limits of a linear inverted pendulum model, we observe a similar trend in COM balanced states, but reduced recoverable areas. Furthermore, the effects of muscle weakness and neural excitation delay on the BRs are investigated, revealing reduced balancing capability in the COM state space. The novel approach of determining regions of stability through learning muscular balance controllers provides a promising avenue for personalized balance assessments and objective quantification of balance capability in humans with different health conditions. AN - cdc:258703 IS - 4 J2 - PLoS One KW - Safety KW - Biomechanical Phenomena KW - Occupational Health KW - Musculoskeletal System KW - Motion studies; Biomechanics; Biomechanical modeling; Biomedical engineering; Musculoskeletal system KW - Biomechanical Phenomena KW - Musculoskeletal System KW - Occupational Health KW - Safety PY - 2025/04/01 T2 - PLoS One T2 - PLoS One 2025 Apr; 20(4):e0320211 TI - Characterization of Human Balance Through a Reinforcement Learning-Based Muscle Controller VL - 20 UR - https://stacks.cdc.gov/view/cdc/258703 ER -
Experimental Quantification of Balance Using Whole-Body Stability Regions from Postural Sway Exercises

Akbas, Kubra ;

Ratnakumar, Neethan

2026/03/07 | Biomed Eng Online 2026 Mar; :Epub ahead of print | National Institute for Occupational Safety and Health (NIOSH)

Background: Comprehensive balance assessment is essential for evaluating balance deficiencies, particularly in individuals with limited mobility and increased fall risk. However, clinical balance assessments often rely on subjective scoring and simplified models that may not capture the full dynamics of human postural control. Additionally, center ...

08/10/2026

Title : Experimental Quantification of Balance Using Whole-Body Stability Regions from Postural Sway Exercises Personal Author(s) : Akbas, Kubra;Ratnakumar, Neethan;Jones, Rachel M.;Doss, Marianne;Mummolo, Carlotta;Daneault, Jean-Francois;Zhou, Xianlian; Published Date : 2026/03/07 Pages in Document : 54 pdf pages Source : Biomed Eng Online 2026 Mar; :[Epub ahead of print] URL : https://stacks.cdc.gov/view/cdc/258702 Journal Title : Biomedical Engineering Online
Akbas, Kubra et al. (2026). Experimental Quantification of Balance Using Whole-Body Stability Regions from Postural Sway Exercises. Biomedical Engineering Online.

Akbas, Kubra et al. "Experimental Quantification of Balance Using Whole-Body Stability Regions from Postural Sway Exercises" Biomedical Engineering Online (2026)

Akbas, Kubra et al. "Experimental Quantification of Balance Using Whole-Body Stability Regions from Postural Sway Exercises" Biomedical Engineering Online, , 2026
Export RIS Citation Information. TY - Journal Article AU - Akbas, Kubra AU - Ratnakumar, Neethan AU - Jones, Rachel M. AU - Doss, Marianne AU - Mummolo, Carlotta AU - Daneault, Jean-Francois AU - Zhou, Xianlian AB - Background: Comprehensive balance assessment is essential for evaluating balance deficiencies, particularly in individuals with limited mobility and increased fall risk. However, clinical balance assessments often rely on subjective scoring and simplified models that may not capture the full dynamics of human postural control. Additionally, center of pressure (COP)-based metrics and inverted pendulum models offer limited insight into whole-body balance ability. Balance regions (BRs) offer a more holistic approach by quantifying balanced center of mass (COM) states. Previously, BRs were used to assess the balancing capabilities of bipedal systems and humans in simulation; however, there is a lack of real-world implementations of whole-body BR analyses in human balance. Methods: This study presents a novel experimental framework to quantify human balance using COM-based BRs derived from large postural sway tasks. The participants comprised 22 healthy young adults who performed voluntary, supported, and perturbed anterior-posterior (AP) sway exercises while standing on force plates, with a full-body motion capture setup. COM trajectories were obtained from individualized musculoskeletal models in OpenSim to construct BRs, which were compared with linear inverted pendulum (LIP) limits. Key COM-based metrics included maximum AP margin of stability (MoS), maximum AP velocity, extrapolated COM (XcoM) range, and BR areas. COP measures (root mean square (RMS), range, 95% confidence ellipse area, mean AP velocity) and joint kinematics were also analyzed. Results: COM trajectories largely stayed within the LIP-based analytical boundaries, with BRs capturing individualized balance envelopes. Significant sex differences were observed in the maximum posterior MoS (p = 0.01974), XcoM range metrics (p < 0.03924), and BR areas (p < 0.045). COP metrics varied significantly across tasks in the RMS, 95% confidence ellipse area, and mean velocity (p < 0.02046), and inverse kinematics revealed distinct joint coordination patterns during sway; there was a significant sex difference in the COP range during perturbed backward sway (p = 0.03053). Conclusions: This study presents a novel, COM-based experimental framework for balance assessment that captures whole-body stability regions from dynamic postural tasks. BRs provide a quantitative and individualized measure of balance capacity beyond traditional metrics. This framework has potential for fall risk evaluation, balance training, and integration with wearable or markerless motion capture in clinical and neurorehabilitation settings. AN - cdc:258702 J2 - Biomedical Engineering Online KW - Postural Balance KW - Safety KW - Occupational Health KW - Musculoskeletal System KW - Posture; Motion studies; Biomechanics; Biomechanical modeling; Biomechanical engineering; Musculoskeletal system; KW - Author Keywords: Balance; Musculoskeletal modeling; Motion capture; Center of mass; Center of pressure; Inverse kinematics KW - Musculoskeletal System KW - Occupational Health KW - Postural Balance KW - Safety PY - 2026/03/07 T2 - Biomedical Engineering Online T2 - Biomed Eng Online 2026 Mar; :[Epub ahead of print] TI - Experimental Quantification of Balance Using Whole-Body Stability Regions from Postural Sway Exercises UR - https://stacks.cdc.gov/view/cdc/258702 ER -
Wasping in Michigan Correctional Facilities: Exposures to Correctional Workers and Incarcerated Persons, 2023 and 2025 - Case Reports [prepub]

TenHarmsel, Hailey

;

Harduar-Morano, Laurel

2026/03/03 | J Occup Environ Med 2026 Mar; :Epub ahead of print | National Institute for Occupational Safety and Health (NIOSH)

"Wasping" is an emerging trend where pyrethroid-based insecticides are intentionally inhaled. Michigan's pesticide surveillance program identified events in Michigan wherein correctional officers and incarcerated persons required medical evaluation at local hospitals after "wasping" exposures. Michigan's pesticide surveillance program reviewed case ...

08/10/2026

Title : Wasping in Michigan Correctional Facilities: Exposures to Correctional Workers and Incarcerated Persons, 2023 and 2025 - Case Reports [prepub] Personal Author(s) : TenHarmsel, Hailey;Harduar-Morano, Laurel;Rosenman, Kenneth D.; Published Date : 2026/03/03 Pages in Document : 16 pdf pages Source : J Occup Environ Med 2026 Mar; :[Epub ahead of print] URL : https://stacks.cdc.gov/view/cdc/258701 Journal Title : Journal of Occupational and Environmental Medicine
TenHarmsel, Hailey et al. (2026). Wasping in Michigan Correctional Facilities: Exposures to Correctional Workers and Incarcerated Persons, 2023 and 2025 - Case Reports [prepub]. Journal of Occupational and Environmental Medicine.

TenHarmsel, Hailey and Harduar-Morano, Laurel and Rosenman, Kenneth D. "Wasping in Michigan Correctional Facilities: Exposures to Correctional Workers and Incarcerated Persons, 2023 and 2025 - Case Reports [prepub]" Journal of Occupational and Environmental Medicine (2026)

TenHarmsel, Hailey et al. "Wasping in Michigan Correctional Facilities: Exposures to Correctional Workers and Incarcerated Persons, 2023 and 2025 - Case Reports [prepub]" Journal of Occupational and Environmental Medicine, , 2026
Export RIS Citation Information. TY - Journal Article AU - TenHarmsel, Hailey AU - Harduar-Morano, Laurel AU - Rosenman, Kenneth D. AB - "Wasping" is an emerging trend where pyrethroid-based insecticides are intentionally inhaled. Michigan's pesticide surveillance program identified events in Michigan wherein correctional officers and incarcerated persons required medical evaluation at local hospitals after "wasping" exposures. Michigan's pesticide surveillance program reviewed case reports involving acute pesticide exposures. Demographic characteristics, signs and symptoms, and clinical outcomes were evaluated and described for each exposed correctional officer and incarcerated person. Reports identified eleven separate events at eight different Michigan correctional facilities where a total of five correctional officers and nine incarcerated persons experienced illness after being exposed to smoke from incarcerated persons "wasping" in 2023 and 2025. Awareness of the multiple routes of obtaining pyrethroid products for incarcerated persons and tailoring a prevention plan based on facility policies is crucial to protecting the health of incarcerated persons and correctional workers. AN - cdc:258701 J2 - Journal of Occupational and Environmental Medicine KW - Safety KW - Occupational Health KW - Correctional Facilities KW - Insecticides KW - Pyrethroids; Inhalants; Inhalation; Insecticides; Correctional facilities; Surveillance; Occupational exposure; Case reports; KW - Author Keywords: Wasping; Insecticides; Correctional facility; Occupational health; Case report KW - Correctional Facilities KW - Insecticides KW - Occupational Health KW - Safety PY - 2026/03/03 T2 - Journal of Occupational and Environmental Medicine T2 - J Occup Environ Med 2026 Mar; :[Epub ahead of print] TI - Wasping in Michigan Correctional Facilities: Exposures to Correctional Workers and Incarcerated Persons, 2023 and 2025 - Case Reports [prepub] UR - https://stacks.cdc.gov/view/cdc/258701 ER -
Comparison of Shade Materials for Agricultural Worker Heat Exposure Mitigation

Flunker, John C. ;

Reeb-Whitaker, Carolyn K.

2026/03/07 | J Agromedicine 2026 Mar; :Epub ahead of print | National Institute for Occupational Safety and Health (NIOSH)

Objectives: Agricultural workers are at high risk of morbidity and mortality from workplace heat stress. Shade contributes to reduced heat exposure by blocking solar radiation. Though several US states have adopted occupational heat rules that require shade, implementation of specific shade approaches is typically not specified in rules. We compare ...

08/10/2026

Title : Comparison of Shade Materials for Agricultural Worker Heat Exposure Mitigation Personal Author(s) : Flunker, John C.;Reeb-Whitaker, Carolyn K.;Chavez-Santos, Érica;Blancas, Maria;Florez-Acevedo, Stefani;Garbuz, Kristina;Schoonover, Todd M.;Spector, June T.; Published Date : 2026/03/07 Pages in Document : 13 pdf pages Source : J Agromedicine 2026 Mar; :[Epub ahead of print] URL : https://stacks.cdc.gov/view/cdc/258700 Journal Title : Journal of Agromedicine
Flunker, John C. et al. (2026). Comparison of Shade Materials for Agricultural Worker Heat Exposure Mitigation. Journal of Agromedicine.

Flunker, John C. et al. "Comparison of Shade Materials for Agricultural Worker Heat Exposure Mitigation" Journal of Agromedicine (2026)

Flunker, John C. et al. "Comparison of Shade Materials for Agricultural Worker Heat Exposure Mitigation" Journal of Agromedicine, , 2026
Export RIS Citation Information. TY - Journal Article AU - Flunker, John C. AU - Reeb-Whitaker, Carolyn K. AU - Chavez-Santos, Érica AU - Blancas, Maria AU - Florez-Acevedo, Stefani AU - Garbuz, Kristina AU - Schoonover, Todd M. AU - Spector, June T. AB - Objectives: Agricultural workers are at high risk of morbidity and mortality from workplace heat stress. Shade contributes to reduced heat exposure by blocking solar radiation. Though several US states have adopted occupational heat rules that require shade, implementation of specific shade approaches is typically not specified in rules. We compared different shade materials for agricultural worker heat exposure mitigation to inform decision-making. Methods: We conducted a quantitative field comparison study over three summer days in a real-world agricultural setting in Central Washington State. We examined the effect of five different shade materials on solar radiation and heat exposure, measured using Black Globe (BG) and Wet Bulb Globe Temperature (WBGT) sensors, respectively. We used multivariable linear mixed-effects regression to examine the effect of different materials on BG and WBGT while accounting for repeated measures and small cluster sizes. We also performed a qualitative assessment of shade preferences among agricultural partners, including workers and supervisors. Results: The mean (SD) dry air temperature across all study days was 28.3(1.3) degrees C [82.9(2.4)] degrees F. Shade materials reduced BG by 6.1-8.8 degrees C and WBGT by 1.7-2.2 degrees C, on average, depending on the material, compared to no shade. Compared to no shade, the largest reduction in BG (-8.81 degrees C) was seen for a hay tarp material (HAY: 95% Confidence Interval [CI]: -9.39, -8.23) followed by an 80% monofilament material (M80: -7.68 degrees C; 95%CI -8.27,-7.10). For WBGT, we also found the largest reductions among HAY (-2.22°C; 95%CI -2.44,-2.00) and M80 (-2.07 degrees C; 95%CI -2.29,-1.84). Comparing between shade materials, we did not find substantial differences in BG and WBGT. Ease of use and mobility of shade structures near work locations, in addition to effectiveness in reducing heat exposure, was identified in qualitative analyses as factors that may influence workplace shade implementation decisions. Conclusions: In this study, we found that all studied shade materials significantly reduced BG and WBGT compared to no shade, but we observed no substantial differences in heat exposure mitigation between the shade materials themselves. For similarly performing shade materials, worker and supervisor preferences and practical considerations should be considered when selecting shade approaches in specific workplaces that are likely to be adopted and sustained. AN - cdc:258700 J2 - Journal of Agromedicine KW - Agriculture KW - Safety KW - Heat Stress Disorders KW - Occupational Health KW - Agricultural workers; Heat exposure; Heat stress; Farm workers; Hot environments; Heat reduction; KW - Author Keywords: Farmworker; heat exposure; heat stress; shade KW - Agriculture KW - Heat Stress Disorders KW - Occupational Health KW - Safety PY - 2026/03/07 T2 - Journal of Agromedicine T2 - J Agromedicine 2026 Mar; :[Epub ahead of print] TI - Comparison of Shade Materials for Agricultural Worker Heat Exposure Mitigation UR - https://stacks.cdc.gov/view/cdc/258700 ER -
No Worker Is an Island: Physical and Social Isolation at Work in the United States [preprint]

Scott, Kenneth A.

;

Achutan, Chandran

2026/03/03 | J Occup Environ Med 2026 Mar; :Epub ahead of print | National Institute for Occupational Safety and Health (NIOSH)

Objective: To estimate the prevalence of physically and socially isolated work in the United States, including by detailed occupation. Methods: Cross-sectional study linking O*NET isolated work prevalence estimates with Bureau of Labor Statistics' employment estimates to produce numbers and percentages of physically and socially isolated U.S. worke ...

08/10/2026

Title : No Worker Is an Island: Physical and Social Isolation at Work in the United States [preprint] Personal Author(s) : Scott, Kenneth A.;Achutan, Chandran;Hill, Ryan D.; Published Date : 2026/03/03 Pages in Document : 37 pdf pages Source : J Occup Environ Med 2026 Mar; :[Epub ahead of print] URL : https://stacks.cdc.gov/view/cdc/258699 Journal Title : Journal of Occupational and Environmental Medicine
Scott, Kenneth A. et al. (2026). No Worker Is an Island: Physical and Social Isolation at Work in the United States [preprint]. Journal of Occupational and Environmental Medicine.

Scott, Kenneth A. and Achutan, Chandran and Hill, Ryan D. "No Worker Is an Island: Physical and Social Isolation at Work in the United States [preprint]" Journal of Occupational and Environmental Medicine (2026)

Scott, Kenneth A. et al. "No Worker Is an Island: Physical and Social Isolation at Work in the United States [preprint]" Journal of Occupational and Environmental Medicine, , 2026
Export RIS Citation Information. TY - Journal Article AU - Scott, Kenneth A. AU - Achutan, Chandran AU - Hill, Ryan D. AB - Objective: To estimate the prevalence of physically and socially isolated work in the United States, including by detailed occupation. Methods: Cross-sectional study linking O*NET isolated work prevalence estimates with Bureau of Labor Statistics' employment estimates to produce numbers and percentages of physically and socially isolated U.S. workers. Results: Different definitions of physical and social isolation produced a range of prevalence estimates. In 2023, between 6.8 million and 36.1 million U.S. workers were physically isolated (4.0-21.5%; n=167,849,800); and between 2.2 and 9.9 million U.S. workers were socially isolated (1.3-5.9%). Estimates varied by occupation. Conclusion: Physical and social isolation at work are common and likely distinct conditions with unique risks and solutions. However, neither risks nor solutions have been well-characterized. Evaluating isolated-worker-protection practices and scaling effective interventions could improve isolated workers' health and safety. AN - cdc:258699 J2 - Journal of Occupational and Environmental Medicine KW - Safety KW - Social Isolation KW - Occupational Health KW - Cross sectional studies; Isolation; Bureau of Labor Statistics; BLS; Occupational accidents; Occupations; Epidemiology; Work arrangements; KW - Author Keywords: Occupational Health; Occupational Accidents; Social Isolation; Cardiovascular Diseases; United States Occupational Safety and Health Administration KW - Occupational Health KW - Safety KW - Social Isolation PY - 2026/03/03 T2 - Journal of Occupational and Environmental Medicine T2 - J Occup Environ Med 2026 Mar; :[Epub ahead of print] TI - No Worker Is an Island: Physical and Social Isolation at Work in the United States [preprint] UR - https://stacks.cdc.gov/view/cdc/258699 ER -
Robot-Related Workers' Compensation Claims in Ohio, 2001-2020

Suresh, Vaishakhi ;

Konda, Srinivas

2026/03/03 | Am J Ind Med 2026 Mar; :Epub ahead of print | National Institute for Occupational Safety and Health (NIOSH)

Background: Increased robot adoption and advancements in robotics have led to the emergence of robotic arms for collaborative applications that work alongside humans, increasing direct human-robot interaction. This shift highlights the need to address new safety challenges posed by emerging robotic technologies. Currently, there is limited research ...

08/10/2026

Title : Robot-Related Workers' Compensation Claims in Ohio, 2001-2020 Personal Author(s) : Suresh, Vaishakhi;Konda, Srinivas;Haney, Justin M.;Camargo, Hugo E.;Cheng, Marvin;Weaver, Darlene L.;Wurzelbacher, Steven J.;Meyers, Alysha R.;Naber, Steven J.;Lampl, Michael P.; Published Date : 2026/03/03 Pages in Document : 13 pdf pages Source : Am J Ind Med 2026 Mar; :[Epub ahead of print] URL : https://stacks.cdc.gov/view/cdc/258698 Journal Title : American Journal of Industrial Medicine
Suresh, Vaishakhi et al. (2026). Robot-Related Workers' Compensation Claims in Ohio, 2001-2020. American Journal of Industrial Medicine.

Suresh, Vaishakhi et al. "Robot-Related Workers' Compensation Claims in Ohio, 2001-2020" American Journal of Industrial Medicine (2026)

Suresh, Vaishakhi et al. "Robot-Related Workers' Compensation Claims in Ohio, 2001-2020" American Journal of Industrial Medicine, , 2026
Export RIS Citation Information. TY - Journal Article AU - Suresh, Vaishakhi AU - Konda, Srinivas AU - Haney, Justin M. AU - Camargo, Hugo E. AU - Cheng, Marvin AU - Weaver, Darlene L. AU - Wurzelbacher, Steven J. AU - Meyers, Alysha R. AU - Naber, Steven J. AU - Lampl, Michael P. AB - Background: Increased robot adoption and advancements in robotics have led to the emergence of robotic arms for collaborative applications that work alongside humans, increasing direct human-robot interaction. This shift highlights the need to address new safety challenges posed by emerging robotic technologies. Currently, there is limited research on robot-related injuries. Methods: Robot-related workers' compensation claims from 2001 to 2020 were identified using a keyword search from the Ohio Bureau of Workers' Compensation (OHBWC) database. Descriptive analyses were conducted on this claims dataset. Results: From 2001 to 2020, 1076 robot-related claims were identified, with 85% medical-only claims (medical care only and/or ≤ 7 days away from work). Most claimants were male (74.2%), and 51.1% were 25-44 years old. More than half of the claims were due to contact with objects and equipment (57.9%), followed by overexertion and bodily reaction (20.6%). Most injuries occurred in the manufacturing sector (75.1%), followed by the service sector (14.7%). The claims resulted in over $8.3 million in costs. Of this figure, 91% was incurred due to lost-time claims ($7.6 million). Almost 30% of claims included diagnoses from multiple diagnosis groups. Most claims involved working with robotic arms for collaborative applications (75.7%) in a shared workspace. Conclusions: Robotics is rapidly evolving to remove workers from hazardous environments and reduce risks from hazardous, repetitive, and manual tasks, but it may introduce new workplace hazards. There is a need to study robot-related injuries, identify high-risk exposures, and develop sector- or application-specific comprehensive safety approaches for safer implementation of robots in the workplace. AN - cdc:258698 J2 - American Journal of Industrial Medicine KW - Workers' Compensation KW - Robotics KW - Safety KW - Occupational Health KW - Occupational injuries KW - Robotics; Emerging technology; Workers Compensation; Lost work days; Injuries; Epidemiology; Safety research; Manufacturing; Environmental hazards; KW - Author Keywords: injuries; occupational; robot; safety; workers' compensation KW - Occupational injuries KW - Occupational Health KW - Robotics KW - Safety KW - Workers' Compensation PY - 2026/03/03 T2 - American Journal of Industrial Medicine T2 - Am J Ind Med 2026 Mar; :[Epub ahead of print] TI - Robot-Related Workers' Compensation Claims in Ohio, 2001-2020 UR - https://stacks.cdc.gov/view/cdc/258698 ER -
Evaluating Occupational Exposures to the Graphene Family of Nanomaterials: Implications for Worker Safety and Health

Dahm, Matthew M.

;

McCormick, Seth

2026/03/06 | J Occup Environ Hyg 2026 Mar; :Epub ahead of print | National Institute for Occupational Safety and Health (NIOSH)

Graphene, a two-dimensional carbon-based nanomaterial, has garnered significant attention due to its exceptional physical and chemical properties, leading to its widespread application in various industries. However, the increasing utilization of this class of materials, also referred to as the graphene family of nanomaterials (GFNs), raises potent ...

08/10/2026

Title : Evaluating Occupational Exposures to the Graphene Family of Nanomaterials: Implications for Worker Safety and Health Personal Author(s) : Dahm, Matthew M.;McCormick, Seth;Niang, Mamadou;Christensen, Brian;Wang, Chen;Chen, I-Chen; Published Date : 2026/03/06 Pages in Document : 16 pdf pages Source : J Occup Environ Hyg 2026 Mar; :[Epub ahead of print] URL : https://stacks.cdc.gov/view/cdc/258697 Journal Title : Journal of Occupational and Environmental Hygiene
Dahm, Matthew M. et al. (2026). Evaluating Occupational Exposures to the Graphene Family of Nanomaterials: Implications for Worker Safety and Health. Journal of Occupational and Environmental Hygiene.

Dahm, Matthew M. et al. "Evaluating Occupational Exposures to the Graphene Family of Nanomaterials: Implications for Worker Safety and Health" Journal of Occupational and Environmental Hygiene (2026)

Dahm, Matthew M. et al. "Evaluating Occupational Exposures to the Graphene Family of Nanomaterials: Implications for Worker Safety and Health" Journal of Occupational and Environmental Hygiene, , 2026
Export RIS Citation Information. TY - Journal Article AU - Dahm, Matthew M. AU - McCormick, Seth AU - Niang, Mamadou AU - Christensen, Brian AU - Wang, Chen AU - Chen, I-Chen AB - Graphene, a two-dimensional carbon-based nanomaterial, has garnered significant attention due to its exceptional physical and chemical properties, leading to its widespread application in various industries. However, the increasing utilization of this class of materials, also referred to as the graphene family of nanomaterials (GFNs), raises potential concerns regarding occupational exposures and health risks for workers. This study aimed to evaluate occupational exposures to GFNs across 11 primary and secondary manufacturing facilities operating in the U.S. A total of 44 workers participated in the study, with paired personal air samples collected for elemental carbon (EC) analysis at both the respirable and inhalable aerosol size fractions. The results revealed exposures with respirable EC concentrations ranging from <0.01 to 1825.23 µg/m³ with a geometric mean (GM) of 2.01 µg/m³ and inhalable concentrations from 0.01 to 6327.10 µg/m³ with a GM of 12.63 µg/m³. Notably, 38% of respirable samples exceeded a suggested occupational exposure band (OEB) of <10 µg/m³ established from a recent publication for GFNs, while 53% of inhalable samples exceeded the OEB. Primary manufacturing facilities that produce GFNs generally exhibited higher inhalable exposure levels compared to secondary manufacturers, likely due to the handling of larger quantities of dry powdered materials. Additionally, the use of engineering controls and personal protective equipment varied widely among facilities, impacting exposure levels. This study represents a crucial step in understanding any potential occupational risks associated with U.S. GFN exposures. AN - cdc:258697 J2 - Journal of Occupational and Environmental Hygiene KW - Occupational Exposure KW - Nanostructures KW - Dust KW - Safety KW - Graphite KW - Occupational Health KW - Graphene; Nanomaterials; Occupational exposure; Exposure assessment; Manufacturing; Inhalation; Respirable dust; Air sampling; Occupational exposure banding; KW - Author Keywords: Graphene; nanomaterials; exposure assessment KW - Dust KW - Graphite KW - Nanostructures KW - Occupational Exposure KW - Occupational Health KW - Safety PY - 2026/03/06 T2 - Journal of Occupational and Environmental Hygiene T2 - J Occup Environ Hyg 2026 Mar; :[Epub ahead of print] TI - Evaluating Occupational Exposures to the Graphene Family of Nanomaterials: Implications for Worker Safety and Health UR - https://stacks.cdc.gov/view/cdc/258697 ER -
Filtering Facepiece Respirator Use Among Farm Youth in the US: A Review

Gibbs, Jenna L. ;

Vollmer, Brooke

2026/03/01 | J Occup Environ Hyg 2026 Mar; 23(3):178-190 | National Institute for Occupational Safety and Health (NIOSH)

The COVID-19 pandemic underscored the critical need for protective equipment, such as filtering facepiece respirators (FFRs), particularly for youth. This systematic review addresses the significant gap in evidence-based guidance for FFR use among US farm youth, a group potentially exposed to diverse respiratory hazards. Current FFR designs and pro ...

08/10/2026

Title : Filtering Facepiece Respirator Use Among Farm Youth in the US: A Review Personal Author(s) : Gibbs, Jenna L.;Vollmer, Brooke;Sheridan, Carolyn E.;Pinkerton, Kent E.;Anthony, T. Renée;Holm, Stephanie;Karr, Catherine;Proctor, Anna;Swenson, Andrea V. R.; Published Date : 2026/03/01 Pages in Document : 14 pdf pages Source : J Occup Environ Hyg 2026 Mar; 23(3):178-190 URL : https://stacks.cdc.gov/view/cdc/258696 Journal Title : Journal of Occupational and Environmental Hygiene
Gibbs, Jenna L. et al. (2026). Filtering Facepiece Respirator Use Among Farm Youth in the US: A Review. Journal of Occupational and Environmental Hygiene. 23(3).

Gibbs, Jenna L. et al. "Filtering Facepiece Respirator Use Among Farm Youth in the US: A Review" Journal of Occupational and Environmental Hygiene 23, no. 3 (2026)

Gibbs, Jenna L. et al. "Filtering Facepiece Respirator Use Among Farm Youth in the US: A Review" Journal of Occupational and Environmental Hygiene, vol. 23, no. 3, 2026
Export RIS Citation Information. TY - Journal Article AU - Gibbs, Jenna L. AU - Vollmer, Brooke AU - Sheridan, Carolyn E. AU - Pinkerton, Kent E. AU - Anthony, T. Renée AU - Holm, Stephanie AU - Karr, Catherine AU - Proctor, Anna AU - Swenson, Andrea V. R. AB - The COVID-19 pandemic underscored the critical need for protective equipment, such as filtering facepiece respirators (FFRs), particularly for youth. This systematic review addresses the significant gap in evidence-based guidance for FFR use among US farm youth, a group potentially exposed to diverse respiratory hazards. Current FFR designs and protocols for FFR use are largely adult-centric. Adhering to PRISMA 2020 guidelines, a multidisciplinary panel reviewed 31 publications published between 1990 and 2023. An independent working group of agricultural safety professionals also contributed by reviewing procedures and publications to check for bias during the review process. Key findings show that while FFRs appear physiologically tolerable by youth study subjects. Subjective discomfort and poor fit of adult-sized respirators remain major barriers to effective use and compliance. Studies highlight the critical need for youth-specific FFR designs based on detailed facial anthropometrics and the development of standardized fit-testing protocols tailored for growing youth. Furthermore, evidence-based guidance on ethical pediatric medical evaluations for respirator use and targeted respiratory health education are urgently needed. This review emphasizes that a concerted effort from manufacturers, researchers, and regulatory bodies is essential to ensure youth on farms can safely use respiratory protection. AN - cdc:258696 IS - 3 J2 - Journal of Occupational and Environmental Hygiene KW - Farmers KW - Respiratory Protective Devices KW - Agriculture KW - Safety KW - Personal Protective Equipment KW - Occupational Health KW - Farm workers; Young workers; N95 filtering facepiece respirators; Personal protective equipment; PPE; Agricultural safety; Respiratory health; Respiratory protection; Systematic reviews; KW - Author Keywords: Agriculture; anthropometrics; FFR; N95; pediatric; personal protective equipment; PPE KW - Agriculture KW - Farmers KW - Occupational Health KW - Personal Protective Equipment KW - Respiratory Protective Devices KW - Safety PY - 2026/03/01 T2 - Journal of Occupational and Environmental Hygiene T2 - J Occup Environ Hyg 2026 Mar; 23(3):178-190 TI - Filtering Facepiece Respirator Use Among Farm Youth in the US: A Review VL - 23 UR - https://stacks.cdc.gov/view/cdc/258696 ER -
Prevalence and Risk Factors for Long COVID Among California Workers Captured by a Doctor's First Report-Based Surveillance System

Wambui, David

;

Fiellin, Martha

2025/12/01 | J Occup Environ Med 2025 Dec; 67(12):1060-1068 | National Institute for Occupational Safety and Health (NIOSH)

Objective: To understand prevalence and risk factors for long COVID among California workers. Methods: Using a cross-sectional study design, we analyzed 4496 Doctor's First Reports of Occupational Injury or Illness (DFRs) used for tracking work-related COVID-19 exposure or illnesses. Logistic regression was used to assess the risk factors. Results: ...

08/10/2026

Title : Prevalence and Risk Factors for Long COVID Among California Workers Captured by a Doctor's First Report-Based Surveillance System Personal Author(s) : Wambui, David;Fiellin, Martha;Majka, Claire;Espineli, Carolina;Flattery, Jennifer;Vergara, Ximena P.; Published Date : 2025/12/01 Pages in Document : 9 pdf pages Source : J Occup Environ Med 2025 Dec; 67(12):1060-1068 URL : https://stacks.cdc.gov/view/cdc/258695 Journal Title : Journal of Occupational and Environmental Medicine
Wambui, David et al. (2025). Prevalence and Risk Factors for Long COVID Among California Workers Captured by a Doctor's First Report-Based Surveillance System. Journal of Occupational and Environmental Medicine. 67(12).

Wambui, David et al. "Prevalence and Risk Factors for Long COVID Among California Workers Captured by a Doctor's First Report-Based Surveillance System" Journal of Occupational and Environmental Medicine 67, no. 12 (2025)

Wambui, David et al. "Prevalence and Risk Factors for Long COVID Among California Workers Captured by a Doctor's First Report-Based Surveillance System" Journal of Occupational and Environmental Medicine, vol. 67, no. 12, 2025
Export RIS Citation Information. TY - Journal Article AU - Wambui, David AU - Fiellin, Martha AU - Majka, Claire AU - Espineli, Carolina AU - Flattery, Jennifer AU - Vergara, Ximena P. AB - Objective: To understand prevalence and risk factors for long COVID among California workers. Methods: Using a cross-sectional study design, we analyzed 4496 Doctor's First Reports of Occupational Injury or Illness (DFRs) used for tracking work-related COVID-19 exposure or illnesses. Logistic regression was used to assess the risk factors. Results: With a prevalence of 11%, long COVID cases were slightly higher among male workers, workers aged between 45 and 54 years, and those in essential industries. Over 30 days of lost work was 13 times more prevalent among long COVID cases compared to acute cases. Age, presenting symptoms, and working in mixed essential industries increased long COVID risk. Conclusion: These findings highlight long COVID burden on workers' health and productivity. Proactive measures are crucial to safeguard workers' health. AN - cdc:258695 IS - 12 J2 - Journal of Occupational and Environmental Medicine KW - Risk Factors KW - Safety KW - Post-Acute COVID-19 Syndrome KW - COVID-19 KW - Occupational Health KW - Epidemiology; COVID-19; Risk factors; Cross sectional studies; Surveillance; Lost work days; Worker health; SARS-CoV-2; Long COVID; KW - Author Keywords: long COVID; occupational health; workers; surveillance; post-acute sequalae of SARS-CoV-2 KW - COVID-19 KW - Occupational Health KW - Post-Acute COVID-19 Syndrome KW - Risk Factors KW - Safety PY - 2025/12/01 T2 - Journal of Occupational and Environmental Medicine T2 - J Occup Environ Med 2025 Dec; 67(12):1060-1068 TI - Prevalence and Risk Factors for Long COVID Among California Workers Captured by a Doctor's First Report-Based Surveillance System VL - 67 UR - https://stacks.cdc.gov/view/cdc/258695 ER -
Longitudinal Nephrotoxic Metal Exposure in a Cohort of Farm Workers in Sonora, Mexico

Wagoner, Rietta S.

;

Lopez-Galvez, Nicolas I.

2025/12/01 | J Occup Environ Med 2025 Dec; 67(12):1005-1013 | National Institute for Occupational Safety and Health (NIOSH)

Objective: Metal exposure among farmworkers along the US-Mexico border is understudied, despite links between certain metals and kidney injury or disease. We assessed seasonal metal exposure in agricultural workers in Sonora, Mexico, compared to office workers and other populations. Methods: Adult male agricultural and office workers provided urine ...

08/10/2026

Title : Longitudinal Nephrotoxic Metal Exposure in a Cohort of Farm Workers in Sonora, Mexico Personal Author(s) : Wagoner, Rietta S.;Lopez-Galvez, Nicolas I.;Canales, Robert A.;Farland, Leslie V.;von Hippel, Frank A.;de Zapien, Jill G.;Rosales, Cecilia B.;Beamer, Paloma I.;Furlong, Melissa A.; Published Date : 2025/12/01 Pages in Document : 9 pdf pages Source : J Occup Environ Med 2025 Dec; 67(12):1005-1013 URL : https://stacks.cdc.gov/view/cdc/258694 Journal Title : Journal of Occupational and Environmental Medicine
Wagoner, Rietta S. et al. (2025). Longitudinal Nephrotoxic Metal Exposure in a Cohort of Farm Workers in Sonora, Mexico. Journal of Occupational and Environmental Medicine. 67(12).

Wagoner, Rietta S. et al. "Longitudinal Nephrotoxic Metal Exposure in a Cohort of Farm Workers in Sonora, Mexico" Journal of Occupational and Environmental Medicine 67, no. 12 (2025)

Wagoner, Rietta S. et al. "Longitudinal Nephrotoxic Metal Exposure in a Cohort of Farm Workers in Sonora, Mexico" Journal of Occupational and Environmental Medicine, vol. 67, no. 12, 2025
Export RIS Citation Information. TY - Journal Article AU - Wagoner, Rietta S. AU - Lopez-Galvez, Nicolas I. AU - Canales, Robert A. AU - Farland, Leslie V. AU - von Hippel, Frank A. AU - de Zapien, Jill G. AU - Rosales, Cecilia B. AU - Beamer, Paloma I. AU - Furlong, Melissa A. AB - Objective: Metal exposure among farmworkers along the US-Mexico border is understudied, despite links between certain metals and kidney injury or disease. We assessed seasonal metal exposure in agricultural workers in Sonora, Mexico, compared to office workers and other populations. Methods: Adult male agricultural and office workers provided urine samples and demographic data at the start and end of the work season. Urine was analyzed for specific gravity, creatinine, and metal(loid) concentrations. Results: Agricultural workers had significantly higher urinary arsenic, lead, nickel, and uranium than office workers. Uranium increased over time, whereas arsenic, lead, and nickel declined. Urinary metal levels exceeded those in NHANES Mexican Americans, with cadmium levels similar to other farmworker populations but higher arsenic and uranium. Conclusions: Findings enhance understanding of regional exposure, support global farmworker comparisons, and inform exposure modeling, mitigation strategies, and policy. AN - cdc:258694 IS - 12 J2 - Journal of Occupational and Environmental Medicine KW - Farmers KW - Agriculture KW - Safety KW - Metals, Heavy KW - Kidney KW - Occupational Health KW - Farm workers; Seasonal factors; Longitudinal study; Cohort studies; Agricultural workers; Heavy metals; Kidney damage; Metalloids; Exposure assessment; KW - Author Keywords: agricultural worker; farm worker; Mexico; toxic metal exposure; toxic metal(loid) exposure; heavy metals KW - Agriculture KW - Farmers KW - Kidney KW - Metals, Heavy KW - Occupational Health KW - Safety PY - 2025/12/01 T2 - Journal of Occupational and Environmental Medicine T2 - J Occup Environ Med 2025 Dec; 67(12):1005-1013 TI - Longitudinal Nephrotoxic Metal Exposure in a Cohort of Farm Workers in Sonora, Mexico VL - 67 UR - https://stacks.cdc.gov/view/cdc/258694 ER -
Comparison of Infection Risk in a Large and Small Classroom

Horstman, Raymond ;

Bennett, James

2025/06/08 | Healthy Buildings Europe 2025, June 8-11, 2025, Reykjavik, Iceland. Herndon, VA: International Society of Indoor Air Quality and Climate (ISIAQC), 2025 Jun; :682 | National Institute for Occupational Safety and Health (NIOSH)

Comparisons have been made historically between environments with high occupant density to those with lower occupant density. Implicit in this characterization for the purpose of assessing airborne infection risk is the amount of clean air per occupant, and ASHRAE Standard 241, Control of Infectious Aerosols, takes this approach. A more common basi ...

08/10/2026

Title : Comparison of Infection Risk in a Large and Small Classroom Personal Author(s) : Horstman, Raymond;Bennett, James; Published Date : 2025/06/08 Pages in Document : 3 pdf pages Source : Healthy Buildings Europe 2025, June 8-11, 2025, Reykjavik, Iceland. Herndon, VA: International Society of Indoor Air Quality and Climate (ISIAQC), 2025 Jun; :682 URL : https://stacks.cdc.gov/view/cdc/258693 Journal Title : Healthy Buildings Europe 2025, June 8-11, 2025, Reykjavik, Iceland
Horstman, Raymond and Bennett, James (2025). Comparison of Infection Risk in a Large and Small Classroom. Healthy Buildings Europe 2025, June 8-11, 2025, Reykjavik, Iceland.

Horstman, Raymond and Bennett, James "Comparison of Infection Risk in a Large and Small Classroom" Healthy Buildings Europe 2025, June 8-11, 2025, Reykjavik, Iceland (2025)

Horstman, Raymond and Bennett, James "Comparison of Infection Risk in a Large and Small Classroom" Healthy Buildings Europe 2025, June 8-11, 2025, Reykjavik, Iceland, , 2025
Export RIS Citation Information. TY - Array AU - Horstman, Raymond AU - Bennett, James AB - Comparisons have been made historically between environments with high occupant density to those with lower occupant density. Implicit in this characterization for the purpose of assessing airborne infection risk is the amount of clean air per occupant, and ASHRAE Standard 241, Control of Infectious Aerosols, takes this approach. A more common basis for comparison is the number of air changes per hour (ACH). The implication is a decreasing risk of disease with increasing ACH. This study illustrates how comparisons based on air changes per hour can fail to provide realistic risk assessments relative to airborne disease. From published data, a larger normal sized classroom at 3.4 ACH was estimated to produce 0.239 infections after one hour for a moderately infectious strain of influenza. A small classroom with ventilation, occupants and duration that is equal to a conventional classroom is compared on the basis of risk of airborne disease using a temporal spatial form of the Wells-Riley equation. Passive scalar, Eulerian and Lagrangian methods were used in the CFD models. A relatively large aerosol of 5 mm diameter non-sticking was used to find worst case particle inhalation. Although the small classroom had a much higher 34.25 ACH than the large classroom 3.4 ACH, the passive scalar, Eulerian and Lagrangian models predicted 0.354, 0.646 and 0.336 infections respectively after one hour or roughly 44%, 170% and 41% more inhaled aerosols. AN - cdc:258693 J2 - Healthy Buildings Europe 2025, June 8-11, 2025, Reykjavik, Iceland KW - Schools KW - Safety KW - Occupational Health KW - Communicable Diseases KW - Influenza, Human KW - Indoor environments; Infectious diseases; Influenza; Computational fluid dynamics; CFD; Disease transmission; Models; Aerosols; Education; KW - Author Keywords: CFD; influenza; classroom KW - Communicable Diseases KW - Influenza, Human KW - Occupational Health KW - Safety KW - Schools PB - International Society of Indoor Air Quality and Climate (ISIAQC) PY - 2025/06/08 T2 - Healthy Buildings Europe 2025, June 8-11, 2025, Reykjavik, Iceland T2 - Healthy Buildings Europe 2025, June 8-11, 2025, Reykjavik, Iceland. Herndon, VA: International Society of Indoor Air Quality and Climate (ISIAQC), 2025 Jun; :682 TI - Comparison of Infection Risk in a Large and Small Classroom UR - https://stacks.cdc.gov/view/cdc/258693 ER -
Complex Models and Simple Results in Airborne Disease Transmission

Bennett, James

2025/06/08 | Healthy Buildings Europe 2025, June 8-11, 2025, Reykjavik, Iceland. Herndon, VA: International Society of Indoor Air Quality and Climate (ISIAQC), 2025 Jun; :386-392 | National Institute for Occupational Safety and Health (NIOSH)

The SARS-CoV-2 pandemic energized all fields related to indoor air, including exposure modelling. The confluence of scientific disciplines that responded to the devastation of COVID-19 has created a need to be precise with language. Exposure is presented as the rate of dose accumulation via air, and dose as the product of the dosing rate and the do ...

08/10/2026

Title : Complex Models and Simple Results in Airborne Disease Transmission Personal Author(s) : Bennett, James Published Date : 2025/06/08 Pages in Document : 9 pdf pages Source : Healthy Buildings Europe 2025, June 8-11, 2025, Reykjavik, Iceland. Herndon, VA: International Society of Indoor Air Quality and Climate (ISIAQC), 2025 Jun; :386-392 URL : https://stacks.cdc.gov/view/cdc/258692 Journal Title : Healthy Buildings Europe 2025, June 8-11, 2025, Reykjavik, Iceland
Bennett, James (2025). Complex Models and Simple Results in Airborne Disease Transmission. Healthy Buildings Europe 2025, June 8-11, 2025, Reykjavik, Iceland.

Bennett, James "Complex Models and Simple Results in Airborne Disease Transmission" Healthy Buildings Europe 2025, June 8-11, 2025, Reykjavik, Iceland (2025)

Bennett, James "Complex Models and Simple Results in Airborne Disease Transmission" Healthy Buildings Europe 2025, June 8-11, 2025, Reykjavik, Iceland, , 2025
Export RIS Citation Information. TY - Array AU - Bennett, James AB - The SARS-CoV-2 pandemic energized all fields related to indoor air, including exposure modelling. The confluence of scientific disciplines that responded to the devastation of COVID-19 has created a need to be precise with language. Exposure is presented as the rate of dose accumulation via air, and dose as the product of the dosing rate and the dosing duration. From this model of dose as the environmental determinant of infection, complexities are acknowledged, and simplifications are sought. The analysis asserts that as models become more complex and accurate by inclusion of real variables and dynamics, their results often converge to simpler, narrower solution spaces. For larger sample sizes, uncertainty in dose was found to be lower than the uncertainties in exposure and in exposure duration when dose is their product. The present analysis examines some common assumptions, like complete mixing, and their criticisms toward providing what is hoped are useful perspectives. AN - cdc:258692 J2 - Healthy Buildings Europe 2025, June 8-11, 2025, Reykjavik, Iceland KW - Safety KW - COVID-19 KW - Occupational Health KW - Commuicable Diseases KW - SARS-CoV-2; COVID-19; Indoor environments; Infectious diseases; Exposure levels; Computational fluid dynamics; CFD; Disease transmission; Models; KW - Author Keywords: CFD; COVID-19; complete mixing; air travel; Wells-Riley KW - Commuicable Diseases KW - COVID-19 KW - Occupational Health KW - Safety PB - International Society of Indoor Air Quality and Climate (ISIAQC) PY - 2025/06/08 T2 - Healthy Buildings Europe 2025, June 8-11, 2025, Reykjavik, Iceland T2 - Healthy Buildings Europe 2025, June 8-11, 2025, Reykjavik, Iceland. Herndon, VA: International Society of Indoor Air Quality and Climate (ISIAQC), 2025 Jun; :386-392 TI - Complex Models and Simple Results in Airborne Disease Transmission UR - https://stacks.cdc.gov/view/cdc/258692 ER -
The Impact of Particle Size on PFAS Concentrations in Dust from Homes in North Carolina and New York and Implications for Exposure

Eichler, Clara M. A.

;

Rawat, Mahender S.

2026/01/01 | Aerosol Sci Technol 2026 Jan; 60(1):54-69 | National Institute for Occupational Safety and Health (NIOSH)

Per- and polyfluoroalkyl substances (PFAS) are manufactured chemicals and ubiquitously present in the environment, including in homes. The two major exposure pathways for PFAS indoors are inhalation and accidental ingestion of house dust; however, the influence of dust particle size on PFAS exposure is not well understood to date. Thus, we are aimi ...

08/10/2026

Title : The Impact of Particle Size on PFAS Concentrations in Dust from Homes in North Carolina and New York and Implications for Exposure Personal Author(s) : Eichler, Clara M. A.;Rawat, Mahender S.;Chang, Naomi Y.;Brown, Elizabeth;Fernando, Sujan;Holsen, Thomas M.;Morrison, Glenn C.;Ferro, Andrea R.;Turpin, Barbara J.; Published Date : 2026/01/01 Pages in Document : 17 pdf pages Source : Aerosol Sci Technol 2026 Jan; 60(1):54-69 URL : https://stacks.cdc.gov/view/cdc/258691 Journal Title : Aerosol Science and Technology
Eichler, Clara M. A. et al. (2026). The Impact of Particle Size on PFAS Concentrations in Dust from Homes in North Carolina and New York and Implications for Exposure. Aerosol Science and Technology. 60(1).

Eichler, Clara M. A. et al. "The Impact of Particle Size on PFAS Concentrations in Dust from Homes in North Carolina and New York and Implications for Exposure" Aerosol Science and Technology 60, no. 1 (2026)

Eichler, Clara M. A. et al. "The Impact of Particle Size on PFAS Concentrations in Dust from Homes in North Carolina and New York and Implications for Exposure" Aerosol Science and Technology, vol. 60, no. 1, 2026
Export RIS Citation Information. TY - Journal Article AU - Eichler, Clara M. A. AU - Rawat, Mahender S. AU - Chang, Naomi Y. AU - Brown, Elizabeth AU - Fernando, Sujan AU - Holsen, Thomas M. AU - Morrison, Glenn C. AU - Ferro, Andrea R. AU - Turpin, Barbara J. AB - Per- and polyfluoroalkyl substances (PFAS) are manufactured chemicals and ubiquitously present in the environment, including in homes. The two major exposure pathways for PFAS indoors are inhalation and accidental ingestion of house dust; however, the influence of dust particle size on PFAS exposure is not well understood to date. Thus, we are aiming to better understand the relationship between dust particle size and PFAS concentrations. We collected dust from 10 homes in North Carolina and seven homes in New York, sieved the dust into multiple size fractions ranging from <63 µm to <2,000 µm, and used targeted methods to analyze the fractions for PFAS. We found that many neutral PFAS are significantly (p < 0.05) and negatively correlated with dust particle size (mean Pearson correlation coefficient r = -0.70 to -0.90), i.e., higher concentrations were found in the smaller size fractions. This suggests that neutral PFAS concentrations in dust are primarily influenced by partitioning to the dust particles from the gas phase. On the other hand, several perfluoroalkyl acids showed no clear or positive correlations between particle size and concentration (mean Pearson r = -0.45 to 0.65), suggesting that additional migration pathways contribute preferentially to the larger size fractions, such as abrasion of fibers from upholstery. Dust-air partition coefficients, K1d, derived for neutral PFAS for a subset of homes reflect this observation, with higher log(K1d) values found for smaller dust size fractions compared to larger size fractions. This work highlights the importance of the choice of size fraction when analyzing PFAS in dust and for exposure assessments. AN - cdc:258691 IS - 1 J2 - Aerosol Science and Technology KW - Fluorocarbons KW - Dust KW - Safety KW - Particulate Matter KW - Occupational Health KW - Per- and polyfluoroalkyl substances; PFAS; Particle size; Dust inhalation; Dust particles; Indoor environments; Environmental exposure; Aerosols KW - Dust KW - Fluorocarbons KW - Occupational Health KW - Particulate Matter KW - Safety PY - 2026/01/01 T2 - Aerosol Science and Technology T2 - Aerosol Sci Technol 2026 Jan; 60(1):54-69 TI - The Impact of Particle Size on PFAS Concentrations in Dust from Homes in North Carolina and New York and Implications for Exposure VL - 60 UR - https://stacks.cdc.gov/view/cdc/258691 ER -
Forces to Be Reckoned With: Countervailing Powers and Physician Emotional Distress During COVID-19

Jenkins, Tania M.

;

Buchbinder, Liza

2025/12/01 | J Health Soc Behav 2025 Dec; 66(4):531-546 | National Institute for Occupational Safety and Health (NIOSH)

The "countervailing powers" framework conceptualizes health care as an arena for power contests among key stakeholders, drawing attention to the moves, countermoves, and alliances that have challenged physicians' dominance since the 1970s. Here, we focus on one of the lesser known micro-level consequences of such forces for physicians: emotional di ...

08/10/2026

Title : Forces to Be Reckoned With: Countervailing Powers and Physician Emotional Distress During COVID-19 Personal Author(s) : Jenkins, Tania M.;Buchbinder, Liza;Buchbinder, Mara; Published Date : 2025/12/01 Pages in Document : 16 pdf pages Source : J Health Soc Behav 2025 Dec; 66(4):531-546 URL : https://stacks.cdc.gov/view/cdc/258690 Journal Title : Journal of Health and Social Behavior
Jenkins, Tania M. et al. (2025). Forces to Be Reckoned With: Countervailing Powers and Physician Emotional Distress During COVID-19. Journal of Health and Social Behavior. 66(4).

Jenkins, Tania M. and Buchbinder, Liza and Buchbinder, Mara "Forces to Be Reckoned With: Countervailing Powers and Physician Emotional Distress During COVID-19" Journal of Health and Social Behavior 66, no. 4 (2025)

Jenkins, Tania M. et al. "Forces to Be Reckoned With: Countervailing Powers and Physician Emotional Distress During COVID-19" Journal of Health and Social Behavior, vol. 66, no. 4, 2025
Export RIS Citation Information. TY - Journal Article AU - Jenkins, Tania M. AU - Buchbinder, Liza AU - Buchbinder, Mara AB - The "countervailing powers" framework conceptualizes health care as an arena for power contests among key stakeholders, drawing attention to the moves, countermoves, and alliances that have challenged physicians' dominance since the 1970s. Here, we focus on one of the lesser known micro-level consequences of such forces for physicians: emotional distress. We draw on 145 interviews with frontline physicians across four U.S. cities during the COVID-19 pandemic to trace physicians' experiences with three countervailing forces: the state, health care organizations, and patients. We find that threats to physician dominance eroded physicians' sense of mastery (perceived personal control) at work, thereby prompting emotional distress, including anger and moral conflict. Conversely, in certain cases, acts of resistance may have helped increase mastery, thus moderating distress. Our findings advance the countervailing powers framework by elucidating some of the micro-level, personal consequences of macro-level power struggles and offer practical implications for understanding contemporary threats to physician dominance. AN - cdc:258690 IS - 4 J2 - Journal of Health and Social Behavior KW - Safety KW - COVID-19 KW - Stress, Psychological KW - Occupational Health KW - Mental Health KW - Physicians; Emotional stress; COVID-19; Occupational psychology; Job stress; Mental health; KW - Author Keywords: countervailing powers; distress; mastery; physician dominance; stress KW - COVID-19 KW - Mental Health KW - Occupational Health KW - Safety KW - Stress, Psychological PY - 2025/12/01 T2 - Journal of Health and Social Behavior T2 - J Health Soc Behav 2025 Dec; 66(4):531-546 TI - Forces to Be Reckoned With: Countervailing Powers and Physician Emotional Distress During COVID-19 VL - 66 UR - https://stacks.cdc.gov/view/cdc/258690 ER -
Elevated Clonal Hematopoiesis in 9/11 First Responders Has Distinct Age-Related Patterns and Relies on IL1RAP for Clonal Expansion

Verma, Divij ;

Zeig-Owens, Rachel

2025/12/01 | Cancer Discov 2025 Dec; 15(12):2468-2484 | National Institute for Occupational Safety and Health (NIOSH)

Environmental exposures are linked to precancerous hematologic conditions, but studies in cohorts with well-defined exposures are limited. We sequenced blood samples from a large cohort of first responders exposed to the aerosolized dust and carcinogens from the 9/11 World Trade Center (WTC) disaster and observed a significantly higher prevalence o ...

08/10/2026

Title : Elevated Clonal Hematopoiesis in 9/11 First Responders Has Distinct Age-Related Patterns and Relies on IL1RAP for Clonal Expansion Personal Author(s) : Verma, Divij;Zeig-Owens, Rachel;Goldfarb, David G.;Kravets, Leah;Pradhan, Kith;Rockwell, Bradley;Sahu, Srabani;Kelly, Susheian;Giricz, Orsi;Jasra, Sakshi;Zou, Yiyu;Prophete, Colette;Torres, Lidiane S.;Aluri, Srinivas;Chakraborty, Samarpana;Kumari, Rajni;Gordon-Mitchell, Shanisha;Wang, Jingli;Silver, Alexander J.;South, Taylor M.;Olmstead, Sarah D.;Hall, Charles B.;Sidoli, Simone;Bender, Ryan;Landgren, Ola;Greenberger, Lee M.;Wickrema, Amittha;Madireddy, Advaitha;Shastri, Aditi;Pietras, Eric M.;LaFave, Lindsay M.;Nolan, Anna;Cohen, Mitchell D.;Savona, Michael R.;Steidl, Ulrich;Prezant, David J.;Verma, Amit; Published Date : 2025/12/01 Pages in Document : 17 pdf pages Source : Cancer Discov 2025 Dec; 15(12):2468-2484 URL : https://stacks.cdc.gov/view/cdc/258689 Journal Title : Cancer Discovery
Verma, Divij et al. (2025). Elevated Clonal Hematopoiesis in 9/11 First Responders Has Distinct Age-Related Patterns and Relies on IL1RAP for Clonal Expansion. Cancer Discovery. 15(12).

Verma, Divij et al. "Elevated Clonal Hematopoiesis in 9/11 First Responders Has Distinct Age-Related Patterns and Relies on IL1RAP for Clonal Expansion" Cancer Discovery 15, no. 12 (2025)

Verma, Divij et al. "Elevated Clonal Hematopoiesis in 9/11 First Responders Has Distinct Age-Related Patterns and Relies on IL1RAP for Clonal Expansion" Cancer Discovery, vol. 15, no. 12, 2025
Export RIS Citation Information. TY - Journal Article AU - Verma, Divij AU - Zeig-Owens, Rachel AU - Goldfarb, David G. AU - Kravets, Leah AU - Pradhan, Kith AU - Rockwell, Bradley AU - Sahu, Srabani AU - Kelly, Susheian AU - Giricz, Orsi AU - Jasra, Sakshi AU - Zou, Yiyu AU - Prophete, Colette AU - Torres, Lidiane S. AU - Aluri, Srinivas AU - Chakraborty, Samarpana AU - Kumari, Rajni AU - Gordon-Mitchell, Shanisha AU - Wang, Jingli AU - Silver, Alexander J. AU - South, Taylor M. AU - Olmstead, Sarah D. AU - Hall, Charles B. AU - Sidoli, Simone AU - Bender, Ryan AU - Landgren, Ola AU - Greenberger, Lee M. AU - Wickrema, Amittha AU - Madireddy, Advaitha AU - Shastri, Aditi AU - Pietras, Eric M. AU - LaFave, Lindsay M. AU - Nolan, Anna AU - Cohen, Mitchell D. AU - Savona, Michael R. AU - Steidl, Ulrich AU - Prezant, David J. AU - Verma, Amit AB - Environmental exposures are linked to precancerous hematologic conditions, but studies in cohorts with well-defined exposures are limited. We sequenced blood samples from a large cohort of first responders exposed to the aerosolized dust and carcinogens from the 9/11 World Trade Center (WTC) disaster and observed a significantly higher prevalence of clonal hematopoiesis (CH) mutations when compared with two sets of control cohorts after controlling for age, race, and sex. Younger exposed first responders exhibited unconventional CH mutations, with defective DNA repair signatures. Leukemia risk was elevated (3.7% vs. 0.6%; OR = 5.73) in WTC-exposed responders with CH versus without CH. Exposure to particulate matter collected from WTC site impaired healthy stem cells while expanding Tet2-mutant CH clones in mice. The inflammation sensor IL1RAP was overexpressed in murine CH, and genetic knockdown inhibited mutant clone growth in vivo. This study links discrete environmental exposure to hematopoietic mutations and leukemia, identifying IL1RAP as a novel therapeutic target in CH. Significance: This study identifies elevated CH with distinct, nonclassical mutations in 9/11 first responders, particularly younger individuals, and links CH to increased leukemia risk. Findings suggest broader relevance to other genotoxic environmental exposures and highlight IL1RAP as a critical driver of CH expansion and a promising therapeutic target for inflammation-driven malignancies. AN - cdc:258689 IS - 12 J2 - Cancer Discovery KW - Carcinogens KW - Neoplasms KW - Dust KW - Safety KW - DNA Damage KW - September 11 Terrorist Attacks KW - Occupational Health KW - Age groups; Hematology; World Trade Center; WTC; First responders; Dust exposure; Carcinogens; Cohort studies; Environmental exposure; Aerosols; Genotoxic effects; Immune reaction; Cancer KW - Carcinogens KW - DNA Damage KW - Dust KW - Neoplasms KW - Occupational Health KW - Safety KW - September 11 Terrorist Attacks PY - 2025/12/01 T2 - Cancer Discovery T2 - Cancer Discov 2025 Dec; 15(12):2468-2484 TI - Elevated Clonal Hematopoiesis in 9/11 First Responders Has Distinct Age-Related Patterns and Relies on IL1RAP for Clonal Expansion VL - 15 UR - https://stacks.cdc.gov/view/cdc/258689 ER -

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