Official website of the National Institutes of Health (NIH). NIH is one of the world's foremost medical research centers. An agency of the U.S. Department of Health and Human Services, the NIH is the Federal focal point for health and medical research.

Find science-based health information on symptoms, diagnosis, treatments, research, clinical trials and more from NIH, the nation’s medical research agency.

NIH is made up of 27 Institutes and Centers, each with a specific research agenda, often focusing on particular diseases or body systems. NIH leadership plays an active role in shaping the agency’s activities and outlook. Learn more about NIH.

The NIH invests most of its nearly $48 billion budget in medical research seeking to enhance life and to reduce illness and disability. NIH-funded research has led to breakthroughs and new treatments helping people live longer, healthier lives, and building the research foundation that drives discovery.

A part of the U.S. Department of Health and Human Services, NIH is the largest biomedical research agency in the world.

The National Institutes of Health (NIH) is the primary agency of the United States government responsible for biomedical and public health research. It was founded in 1887 and is now part of the United States Department of Health and Human Services.

3 days ago · Purpose. The National Institutes of Health (NIH) awards a large number of grants providing substantial federal funding for research purposes. These grants include significant payments for “indirect costs,” defined as “facilities” and “administration.” 45 CFR 75.414(a).The “facilities” category is “defined as depreciation on buildings, equipment and capital …

20 hours ago · About the National Institutes of Health (NIH): NIH, the nation's medical research agency, includes 27 Institutes and Centers and is a component of the U.S. Department of Health and Human Services. NIH is the primary federal agency conducting and supporting basic, clinical, and translational medical research, and is investigating the causes ...

Find the latest NIH and NIMH policies, guidance, and resources for clinical research.

The NIH Clinical Center is the nation’s largest hospital devoted entirely to clinical research.