National Health and Nutrition Examination Survey
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The National Health and Nutrition Examination Survey (NHANES) is a program of studies designed to assess the health and nutritional status of adults and children in the United States. The survey is unique in that it combines interviews and physical examinations.
Selected Participants
Have you been selected to take part in the National Health and Nutrition Examination Survey?
Information for Health Professionals
Learn about participant involvement and benefits with the National Health and Nutrition Examination Survey
NHANES National Youth Fitness Survey
The NHANES National Youth Fitness Survey (NNYFS) was a one year survey conducted in 2012. The NNYFS collected nationally representative data on physical activity and fitness levels of children and adolescents in the United States through interviews and fitness tests. On September 30, 2013, the first wave of this data was released. To review documentation and download datasets, go to the NNYFS Data and Documentation page.
What's New
Publications
- Fast Food Consumption Among Adults in the United States, 2013–2016 (10/3/2018)
- Seafood Consumption in the United States, 2013–2016 (9/28/2018)
- Prevalence of Total, Diagnosed, and Undiagnosed Diabetes Among Adults: United States, 2013–2016 (9/19/2018)
- Beverage Consumption Among Youth in the United States, 2013–2016 (9/13/2018)
- Prevalence of Overweight, Obesity, and Severe Obesity Among Adults Aged 20 and Over: United States, 1960–1962 Through 2015–2016 (09/05/2018)
- Prevalence of Overweight, Obesity, and Severe Obesity Among Children and Adolescents Aged 2–19 Years: United States, 1963–1965 Through 2015–2016 (09/05/2018)
- Attempts to Lose Weight Among Adults in the United States, 2013–2016 (07/12/2018)
Data Release
- Dietary Interview – Individual Foods, First Day (DR1IFF_I 2015-2016)
- Dietary Interview – Individual Foods, Second Day (DR2IFF_I 2015-2016)
- Dietary Interview – Total Nutrient Intakes, First Day (DR1TOT_I 2015-2016)
- Dietary Interview – Total Nutrient Intakes, Second Day (DR2TOT_I 2015-2016)
- Dietary Interview Technical Support File – Food Codes (DRXFCD_I 2015-2016)
- Page last reviewed: October 3, 2018
- Page last updated: October 3, 2018
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