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

InsideTracker is a simple to use, affordable and scientifically based way to improve your performance and well-being.

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 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...

Lab Tests Online offers noncommercial patient education on blood, urine, and other lab tests to help health care consumers better manage their care.

ZocDoc enables you to make appointments for free with dentists and doctors instantly online. Find doctors or dentists who accept your insurance and have appointments at a time of your choice. Read reviews by real patients.

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

Online Medical Dictionary and glossary with medical definitions

Web site of the American Academy of Family Physicians, a medical specialty society that represents more than 93,700 family physicians and medical students.

Voices has information on every topic. Submit your content and get paid.

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

Inflammatory bowel disease (IBD) consists of two main conditions: Crohn

Health. Weight Loss. Pregnancy. Drugs. Health Insurance. Medical Questions. Discuss health topics, share experience, ask health experts, learn how to live healthy.