Does Space Speed Up Ageing? A New Study Says Yes!

NASA astronaut Tracy Caldwell Dyson observes Earth from the International Space Station's Cupola. Missions far longer than this, such as a journey to Mars, expose the body to conditions scientists are only now learning may quietly speed up the ageing process (Credit : NASA)

Scientists at UCF have found that the harsh conditions of spaceflight, radiation and weightlessness combined, can trigger changes in the liver that closely resemble accelerated ageing, and remarkably, the same genetic fingerprints show up in real astronaut blood samples. The discovery could shape how we protect future Mars explorers, and might just hold clues to slowing ageing back here on Earth too.

Universe Today
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