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 (NYFS) collects data on exercise and the nutrition habits of U.S. youth through interviews and fitness tests. Learn more about participating in this one-of-kind survey.
Notes
What's New
New
- Adjusting National Health and Nutrition Examination Survey Sample Weights for Women of Childbearing Age [PDF - 391 KB]
- Consumption of Added Sugars Among U.S. Adults, 2005–2010
- IgG and IgM Antibody to Hepatitis E Virus (SSNH3HEG 1988-1994)
- Consumer Behavior Phone Follow-up Module - Adult (CBQPFA_F 2009-2010)
- Consumer Behavior Phone Follow-up Module - Child (CBQPFC_F 2009-2010)
Limited Access Documenmtation
- Helicobacter pylori (HP1) (hp_01_r 2001-2002)
- Helicobacter pylori (HP1) Second Day (hp2_01_r 2001-2002)
Updated
- RBC Folate, Serum Folate and Folate Vitamers (FOLATE_F 2009-2010)
- Occupation (OCQ_D 2005-2006)
Industry and occupation group code variables have been added for the participant’s current and longest held jobs.
Spanish (Español)

Contact Us:
- National Center for Health Statistics
3311 Toledo Rd
Room 5419
Hyattsville, MD 20782 - 1 (800) 232-4636
- Contact CDC–INFO


