Search Health Topics
Search the NIH Guide
The National Institutes of Health (NIH), a part of the U.S. Department of Health and Human Services, is the nation’s medical research agency — making important discoveries that improve health and save lives.
Francis S. Collins, M.D., Ph.D., was officially sworn in on August 17, 2009, as the 16th director of the NIH.
NIH leadership plays an active role in shaping the agency's research planning, activities, and outlook.
The NIH is made up of 27 different components called Institutes and Centers.
The NIH Enterprise Directory (NED) is an electronic directory of people who work at the NIH.
For over a century, NIH scientists have paved the way for important discoveries that improve health and save lives.