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

LIVESTRONG offers trusted health information and health news on diseases, symptoms, drugs, treatments and more. Get healthy with LIVESTRONG

Learn practical clinical skills with our online simulators, courses and quick reference guides. Over 100 normal and abnormal heart sounds and lung sounds, hundreds of EKG cases and hypertension management cases. Lessons and reference libraries inclu...

Mayo Clinic — Comprehensive medical diagnosis and treatment; locations and services; request an appointment.

Medical communities and forums staffed by doctors from leading medical centers. Over 325 forums and communities providing medical information and medical help.

Read doctor-produced health and medical information written for you to make informed decisions about your health concerns.

Health information for consumers on first aid for medical emergencies, accidents and injuries, symptoms and treatment of disease and health conditions, and physical and the emotional well-being that contribute to general wellness.

Health resources and personalized health tools. Information and news on depression, digestive health, diabetes, breast cancer, cardiovascular health, and much more.

wiseGEEK: clear answers for common questions

The leading source for trustworthy and timely health and medical news and information. Providing credible health information, supportive community, and educational services by blending award-winning expertise in content, community services, expert co...