National Health and Nutrition Examination Survey

National Health and Nutrition Examination Survey

Become a Participant

Your participation ensures that everyone can stay informed on the current health of the U.S. population.

Healthy Living

The study provides important data on health conditions and plays an important role in improving the health of all people living in the U.S.

Nutrition in America

Participating in our survey helps us better understand what we eat and how nutrition is associated with health promotion and disease prevention.

Get Involved!

If selected, please consider participating in this national study, we can’t do it without you.

Become a participant

Your participation ensures that everyone can stay informed on the current health of the U.S. population.

Healthy living

The study provides important data on health conditions and plays an important role in improving the health of all people living in the U.S.

Nutrition in America

Participating in our survey helps us better understand what we eat and how nutrition is associated with health promotion and disease prevention.

Get Involved!

If selected, please consider participating in this national study, we can’t do it without you.

NHANES - The Nation's mobile health 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. NHANES is a major program of the National Center for Health Statistics (NCHS). NCHS is part of the Centers for Disease Control and Prevention (CDC) and has the responsibility for producing vital and health statistics for the Nation.

Page last reviewed: October 19, 2018