The National Library of Medicine (NLM), on the campus of NIH in Bethesda, Maryland, is the world

Trusted medical information to encourage healthy living. Enjoy free health tools and view detailed doctor-reviewed information about diseases, medical...

Online Medical Dictionary and glossary with medical definitions

The leading source for trustworthy and timely health and medical news and information. Providing credible health information, supportive community, an...

The eMedicine point-of-care clinical reference features up-to-date, searchable, peer-reviewed medical articles organized in specialty-focused textbook...

symptom checker allowing research of the causes of one or many symptoms in an extensive knowledge base, including common and rare causes.

The ACR is an organization of and for physicians, health professionals, and scientists that advances rheumatology through programs of education, resea...