What space does to your body: Swollen heads, shrunken legs, round hearts
Briefly

Space travel upends almost every system inside of us
Warning: This graphic requires JavaScript.Please enable JavaScript for the best experience.After the astronaut Scott Kelly spent a year on the International Space Station, he returned to Earth shorter, more nearsighted, lighter and with new symptoms of heart disease that his identical twin brother did not share.
Read at Washington Post
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