The Disturbing Effects of Spacewalks on Astronauts' Fingernails

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Source: The Sun
The Disturbing Effects of Spacewalks on Astronauts' Fingernails
Photo: The Sun
TL;DR

Astronauts face various medical issues in space, including the painful condition of onycholysis, where fingernails can separate from their bed during spacewalks. Other disturbing changes to the human body in space include squished eyeballs due to increased pressure, space anemia resulting in the destruction of red blood cells, a shrinking heart due to the absence of gravity, and an increased risk of kidney stones due to bone demineralization.

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