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Flattening at the back of their eyes may be caused by increased pressure of cerebrospinal fluid in microgravity
Brain scans of Nasa astronauts who have returned to Earth after more than a month in space have revealed potentially serious abnormalities that could jeopardise the future of long-term space missions.
Doctors examined 27 astronauts who had flown long-duration missions with the US space agency and found a pattern of deformities in their eyeballs, optic nerves and pituitary glands that remains unexplained.
Originally posted by SpongeBeard
reply to post by foreshadower99
We're discussing scientific phenomena here, not rambling about hocus pocus incoherent uneducated beliefs or theories.
Go away.