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Space medicine


Space medicine is the practice of medicine on astronauts in outer space.

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Effects of space on the body

Gravity

The effects of microgravity on fluid distribution around the body.

Under the effects of the earth's gravity, blood and other body fluids are pulled towards the lower body. When gravity is taken away or reduced during space exploration, the blood tends to collect in the upper body instead, resulting in facial edema and other unwelcome side effects. Upon return to earth, the blood begins to pool in the lower extremities again, resulting in orthostatic hypotension.

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References


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