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,
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first published in 1869, nature is the world’s leading multidisciplinary science journal. nature publishes the finest peer-reviewed research that drives ground-breaking discovery, and is read by thought-leaders and decision-makers around the world.