Skip Over Navigation Links

About NIH


The National Institutes of Health (NIH) is making every effort to ensure that the information available on our website is accessible to all. If you use special adaptive equipment to access the Web and encounter problems when using our site, please email us at and we will attempt to provide the information to you in a suitable format. It would be helpful if you can be as specific as possible when describing the information you seek.

If you prefer to call, our main number is 301-496-4000, or you can first review our list of toll-free numbers.

For NIH employees who need assistance with accessibility, please contact the equal employment opportunity officer in your institute or center.

To learn more about the regulations governing the accessibility of federal electronic information products, visit the United States Access Board External Web Site Policy or the official Section 508 page External Web Site Policy.

Notice to Limited English Proficient Individuals

NIH is renewing its commitment to providing meaningful access to its programs and activities for people with limited English proficiency (LEP). In accordance with Executive Order 13166, “Improving Access to Services for Persons with Limited English Proficiency,” the information translated on the site and on the sites of its Institutes and Centers is free of charge to the public.

This page last reviewed on September 23, 2015

Social Media Links