National Health and Nutrition Examination Survey
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.
Have you been selected to take part in the National Health and Nutrition Examination Survey?
Learn about participant involvement and benefits with the National Health and Nutrition Examination 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.
New Survey Content for NHANES 2021-2022
- This notice describes the procedure for submitting a letter of intent to support new examination, laboratory, or questionnaire components for the 2021-2022 NHANES survey cycle.
- Prevalence, Change Over Time, and Comparison With U.S. Estimates of Selected Infectious Diseases in Los Angeles County: Findings From the National Health and Nutrition Examination Survey,1999–2006 and 2007–2014 [PDF – 479 KB] (10/30/2018)
- Fast Food Consumption Among Adults in the United States, 2013–2016 (10/3/2018)
- Aromatic Diamines – Urine (Subsample) (UADM_I 2015-2016)
- Methylmalonic Acid (MMA_H 2013-2014)
- Methylmalonic Acid (MMA_G 2011-2012)
- Phthalates and Plasticizers Metabolites – Urine (Subsample) (PHTHTE_I 2015-2016)
- Page last reviewed: October 30, 2018
- Page last updated: October 30, 2018
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