Space Is Dangerous! Just Look At What It Does to Astronauts’ Brains…


We’re learning about what space does to our bodies, but what about our brains? MRI scans of astronauts revealed some worrying results.

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Effects of Spaceflight on Astronaut Brain Structure as Indicated on MRI
“We used magnetic resonance imaging (MRI) to compare images of 18 astronauts’ brains before and after missions of long duration, involving stays on the International Space Station, and of 16 astronauts’ brains before and after missions of short duration, involving participation in the Space Shuttle Program.”

Brain Changes in Space Could Be Linked to Vision Problems in Astronauts
“Many astronauts have experienced problems with their eyesight in during missions to the International Space Station and after their return, and NASA has been closely investigating the issue. It appears that changes to the brain in space could explain why this is happening.”

Could Space Travel Make You Go Blind?
“Astronauts on extended space missions have enough to worry about, what with the xenomorphs, the orbital cascades and the sentient planets. In recent years, mission control doctors have noticed another alarming trend. Astronauts who spend long periods of time in space often come back with significant vision impairment.”

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Special thanks to Amy Shira Teitel for writing this episode of Seeker!
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This episode of Seeker was hosted by Trace Dominguez