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Mayo Clinic offers award-winning medical and health information and tools for healthy living.

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

Welcome to the Department of Neurological Surgery at Columbia University Medical Center and New York-Presbyterian Hospital, where exceptional patient care,

In-depth information on back pain, neck pain, lower back pain, sciatica and more, including articles, videos, forums and physician interviews.

The CyberKnife Robotic Radiosurgery System is a non-invasive alternative to surgery for the treatment of both cancerous and non-cancerous tumors anywhere in the body, including the prostate, lung, brain, spine, liver, pancreas and kidney. The treatme...

The eMedicine point-of-care clinical reference features up-to-date, searchable, peer-reviewed medical articles organized in specialty-focused textbooks, and is continuously updated with practice-changing evidence culled daily from the medical literat...

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...

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Receive your cancer treatment and learn about cancer prevention at MD Anderson Cancer Center.