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[–] 25 points 7 months ago (2 children)

There's a slight increase in the blood pressure in your upper body, and a small possibility of thrombosis, blood clots forming in your veins. But after 50+ years of space flight no one has had complications.

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  • [–] 3 points 7 months ago (1 child)

    Though most don't stay more than a few months up there.

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