HEATKEYS

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

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

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...

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

The homepage for Johns Hopkins Medicine. The organization brings together the faculty, physicians, and scientists of the School of Medicine with professionals of the Johns Hopkins Health System.

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.

CNN.com International delivers breaking news from across the globe and information on the latest top stories, business, sports and entertainment headlines. Follow the news as it happens through: special reports, videos, audio, photo galleries plus i...

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

A lymph node in the body can warn you of an infection. Understand the cause of a swollen lymph node and painful lymph node.

HealthGrades, the leading independent healthcare ratings company. Research hospitals, doctors, nursing homes, and more.

Pet Health Information - PetMD is the largest website library of pet health information, including symptoms, diagnosis and treatment, with thousands of veterinarian written and approved articles.