Learn about the only national health survey that includes health exams and laboratory tests
Find out about participating if you are invited to join NHANES
Access NHANES questionnaires, datasets, and documentation
Get reports and other resources using data from NHANES
Research resources
Discover how you can use samples from NHANES in your research
Review step-by-step guidance on using NHANES data
Watch NHANES webinars about data collection and usage.
Data products
Clinical tools used to track children's growth
What's New
- Published: 6/26/2025