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Friday, December 6, 2024

How does spaceflight affect astronauts’ brains? There’s good news and bad

Space travel is incredibly demanding on the human body, subjecting astronauts to a range of challenges: exposure to intense radiation, the effects of altered gravity, which can cause bone density loss and muscle wasting, and the toll of sleep deprivation compounded by high-pressure working conditions. The job is not for the faint of heart.

How these factors combine to impact cognitive function — both in the short and long term — remains unclear. This is a multilayered question, potentially affecting not only astronaut health but also mission success, because spaceflyers must perform complex tasks requiring a high degree of precision, in an environment in which even minor errors could lead to serious consequences.



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