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
Updated
- Dietary Interview Files (2007-2008)
- Dietary Interview Files (2009-2010)
Corrected caffeine values for Monster Energy Drink were updated in the 2007-2008 and 2009-2010 DR1IFF, DR2IFF, DR1TOT and DR2TOT files. The correction also applies to this beverage item in the corresponding Food and Nutrient Database for Dietary Studies (FNDDS) 4.1 and 5.0. For more information, refer to, Data Alert – WWEIA, NHANES 2007-2008 and 2009-2010
- IgG and IgM Antibody to Hepatitis E Virus (SSNH3HEG 1988-1994)
SSNH3HEG has been updated to add the subsample weights.
- RBC Folate and Serum Folate (FOLATE_F 2009-2010)
There is no folate vitamer data for 2009-2010.
Spanish (Español)
Contact Us:
- National Center for Health Statistics
3311 Toledo Rd
Room 5419
Hyattsville, MD 20782 - 1 (800) 232-4636
- Contact CDC–INFO
