NCHS data on obesity
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NCHS data on obesity

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  • Description:
    The CDC’s National Center for Health Statistics (NCHS) is the nation’s principal health statistics agency, providing data to identify and address health issues. NCHS compiles statistical information to help guide public health and health policy decisions. Collaborating with other public and private health partners, NCHS employs a variety of data collection mechanisms to obtain information from multiple sources. This process provides a broad perspective to help us understand the population’s health, influences on health, and health outcomes. The prevalence of obesity in the United States continues to be an important health issue. The primary data source for monitoring national prevalence and population trends in obesity is the National Health and Nutrition Examination Survey (NHANES). This survey obtains measured (rather than self-reported) data on height and weight. Obesity is defined using body mass index (BMI) or weight in kilograms divided by height in meters squared, although definitions are different for adults and adolescents. Obesity is associated with increased risk of a number of health conditions, including diabetes, hypertension, high cholesterol, cardiovascular disease, stroke, arthritis and certain cancers.
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