Nature - the world's best science and medicine on your desktop.

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 research.

Humans in space undergo profound physiological changes to adapt to a variety of challenges such as weightlessness, confinement, lack of sleep, and radiation exposure. NSBRI's Science and Technology portfolio of funded research projects engages scientists, engineers and clinicians to solve all these problems through goal-directed, peer-reviewed projects using a team approach. - Read more