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Space flight looks exciting for those who are watching from Earth, but what they are aware of is that there are apparent changes on astronauts after they went to space; it could be physical or psychological. Since space is quite a dangerous place for human beings, astronauts are exposed to radiation and dire environments that can increase their risk of cancer. The isolation, the frozen, dried food diet, and the required daily exercise can, unsurprisingly, take a toll on one's body. New research shows that astronauts not only encounter physical and psychological changes after they went to space--spaceflight literally changes the brain structure of astronauts.

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Category: Science