An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.
The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.
Beginning May 7, 2025, federal agencies, including NIEHS, will enforce the REAL ID Act, which requires that you have a REAL ID, U.S. passport, or another federally approved identification to enter secure federal buildings. For a list of acceptable IDs, please visit the Transportation Security Administration website .
Contact Clinical Research at 984-287-4416 if you have additional questions.
As of September 2021, the Environmental Polymorphisms Registry (EPR) has been renamed the Personalized Environment and Genes Study (PEGS). This rename reflects the expanded scope of the study in data, research and analyses.
To read the published scientific findings using the PEGS data, please visit the NIEHS PEGS website.
Last Reviewed: April 4, 2025
