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Centers for Disease Control and Prevention. CDC twenty four seven. Saving Lives, Protecting People
Centers for Disease Control and Prevention. CDC twenty four seven. Saving Lives, Protecting People
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home
National Health and Nutrition Examination Survey
About NHANES
plus icon
Video: The NHANES Story
What We Eat in America, Dietary Survey
Meet the Directors
Newsletters
plus icon
2010 NHANES Stakeholders Consortium Presentations
Ethics Review Board (ERB) Approval
Latest Data Releases
plus icon
Archived Data Releases
Questionnaires, Datasets, and Related Documentation
plus icon
Survey Methods and Analytic Guidelines
Data User Agreement
Search Variables
Frequently Asked Questions
All Continuous NHANES
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All Demographics Data
All Dietary Data
All Examination Data
All Laboratory Data
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All Limited Access Data
NHANES 2025-2026
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Questionnaire Instruments
Laboratory Methods
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Brief Overview and Analytic Guidance
What We Eat in America, NHANES Dietary Data: Notice to Users
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NHANES 08/2021-08/2023
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Demographics Data
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Questionnaire Instruments
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What We Eat in America, NHANES Dietary Data: Notice to Users
Release Notes
NHANES 2017-March 2020
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Demographics Data
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Data Files
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Reference Manuals and Reports
Survey Methods and Analytic Guidelines
Measuring Guides for the Dietary Recall Interview
Response Rates and Population Totals
SAS Viewer
Survey Participants
Biospecimen Program
plus icon
DNA Specimens and Genetic Data
Serum, Plasma, and Urine Specimens
Publications using DNA Specimens
Publications using Serum, Plasma, and Urine Specimens
Information for Participants
New Content and Proposal Guidelines
Survey Results and Products
plus icon
Overview of Data Accomplishments from NHANES
Tutorials
plus icon
Datasets and Documentation Module
Sample Design Module
Weighting Module
Variance Estimation Module
Reliability of Estimates Module
NHANES Dietary Analyses Module
Sample Code
Software Tips
Listserv
Information for Health Professionals
Contact Us
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