Before we start sending humans to Mars en masse, it's probably a good idea to investigate the health effects that long-duration spaceflight can have on the human body. A new study has found that space travel can change the volume of gray matter in different parts of the brain, which may be a result of fluids shifting due to a lack of gravity, and the brain working overtime to relearn the basics of movement in a strange new environment.
.. Continue Reading Astronauts' brains change shape as they learn to move in spaceCategory: Biology
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