https://www.sciencedaily.com/releases/2015/05/150501151608.htm
What happens to an astronaut's brain during a mission to Mars? Nothing good. It's besieged by destructive particles that can forever impair cognition,...
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https://www.technologynetworks.com/neuroscience/news/mars-bound-astronauts-face-chronic-dementia-risk-galactic-cosmic-ray-exposure-284633
Study raises questions about long-term brain health after extended spaceflights.
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