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

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...

Latest news and features on science issues that matter including earth, environment, and space. Get your science news from the most trusted source!

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Get answers to your health questions from DR. OZ and other leading doctors, hospitals, associations, authors, and people just like you.

The National Osteoporosis Foundation (NOF) is the leading consumer and community-focused health organization dedicated to the prevention of osteoporosis and broken bones, the promotion of strong bones for life and the reduction of human suffering thr...

Vitamin D Council is a nonprofit organization whose mission is to increase public and professional awareness of the health benefits of vitamin D and to end the global epidemic of vitamin D deficiency.

Medscape is a free resource for Physicians, medical journal articles, MEDLINE, medical news, major conference coverage, and comprehensive drug information.

ABCNews.com is your breaking news resource for top stories, videos, photos, blogs, special reports and exclusive celebrity interviews on Good Morning America, World News, Nightline, 2020 and This Week.

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