official website of the national institutes of health (nih). nih is one of the world's foremost medical research centers. an agency of the u.s. department of health and human services, the nih is the federal focal point for health and medical research. the nih website offers health information for the public, scientists, researchers, medical professionals, patients, educators,
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 commentary, and medical review.
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seamless care that revolves around you: more than 4,700 physicians and scientists collaborate across mayo clinic campuses in arizona, florida and minnesota. u.s. news & world report ranks mayo clinic as the #1 hospital overall and #1 in more specialties than any other hospital in the nation.
breaking science news and articles on global warming, extrasolar planets, stem cells, bird flu, autism, nanotechnology, dinosaurs, evolution -- the latest discoveries in astronomy, anthropology, biology, chemistry, climate & environment, computers, engineering, health & medicine, math, physics, psychology, technology, and more -- from the world