NIH.gov offers information through its Institutes, Centers and Offices, many of which focus on specific types of conditions, body systems or demographic groups.
The National Institutes of Health (NIH), a biomedical research agency that is part of the U.S. Department of Health and Human Services, publishes the website. Content is from the NIH and its agencies.
The website links to websites of Institutes and Centers at the NIH that focus on specific types of conditions, body systems or demographic groups:
National Cancer Institute NCI
National Eye Institute NEI
National Heart, Lung and Blood Institute NHLBI
National Human Genome Research Institute NHGRI
National Institute on Alcohol Abuse and Alcoholism NIAAA
National Institute of Allergies and Infectious Diseases NIAID
National Institute of Arthritis and Musculoskeletal and Skin Diseases NIAMS
National Institute of Child Health and Human Development NICHD
National Institute on Deafness and Other Communication Disorders NIDCD
National Institute of Dental and Craniofacial Research NIDCR
National Institute of Diabetes and Digestive and Kidney Diseases NIDDK
National Institute on Drug Abuse NIDA
National Institute on Mental Health NIMH
National Institute on Minority Health and Health Disparities NIMHD
National Institute of Neurological Disorders and Stroke NINDS
An additional Institute, the National Library of Medicine NLM, offers resources including MedlinePlus, PubMed, and a biomedical image search engine.
See also Wellness Toolkits in English and Spanish (focusing on living well and improving health).
Tips for use:
– The search box on the home page is for the entire NIH website, with results for consumers, healthcare professionals and researchers.
– A different search box, Search NIH Health Topics, limits results to consumer information.
– Previously the website offered Clear Health, an A-Z index of easy to understand consumer health information from the various Institutes; an October 2024 version of this page is available here.
– Selected information is available in Spanish.
Reviewed October 2025