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
Deadlines for Proposals for 2017-18 Content [PDF - 103 KB]
Publications
Updated
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The following files with corrected subsample weights have been reposted.
- Environmental Pesticides (PP_G 2011-2012)
- Environmental Phenols and Parabens (EPH_G 2011-2012)
- Polyfluorinated Compounds (PFC_G 2011-2012)
- Serum Copper, Selenium, and Zinc (CUSEZN_G 2011-2012)
- Thyroid Profile (THYROD_G 2011-2012)
- Urinary Iodine (UIO_G 2011-2012)
- Urinary Mercury (UHG_G 2011-2012)
- Urinary Perchlorate, Urinary Nitrate, Urinary Thiocyanate (PERNT_G 2011-2012)
- Urinary Phthalates and Plasticizers Metabolites (PHTHTE_G 2011-2012)
- Urinary Polyaromatic Hydrocarbons (PAH_G 2011-2012)
- Urinary Total Arsenic and Speciated Arsenics (UAS_G 2011-2012)
- Urine Heavy Metals (UHM_G 2011-2012)
- Volatile Organic Compounds and Metabolites in Urine (UVOC_G 2011-2012)
More
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Contact Us:
- National Center for Health Statistics
3311 Toledo Rd
Room 5419
Hyattsville, MD 20782 - 1 (800) 232-4636
- Contact CDC–INFO