What does spending more than a year in space do to the human body?

What does spending more than a year in space do to the human body?What does spending more than a year in space do to the human body? External link

With a few handshakes, a brief photoshoot and a wave, Nasa astronaut Frank Rubio bid farewell to the American-football-field-sized collection of modules and solar panels that has been his home for the past 371 days.

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