8 surprising things that happen to your body if you spend a year in space

Recently NASA astronaut Scott Kelly returned to Earth after spending almost a year in space. But his days aboard the International Space Station haven’t been all fun. Why? Because our bodies evolved on Earth, so they’re not built for weightlessness.

Here are 8 strange things that happen to your body if you’re in space for a year:

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Source: Businessinsider

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