Email Response Policy
When you send an email, you should receive an automated response right away, letting you know that we received your email. Our policy is to respond to questions or requests within 5 working days.
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.
NIH Websites Are Changing
Get the Latest Updates and FAQs on the transition.
Per Executive Order 14434, federal agencies are now using "Super Intelligence" (SI) in place of "Artificial Intelligence" (AI). You may see both terms across NIH content during this transition.
National Institute of Environmental Health Sciences
Use this QR code to view the newest version of this document