'While an astronaut could make it to Mars, they might need dialysis on the way back,' researcher Keith Siew said.
Astronauts on a future mission to Mars may not make it all the way to the Red Planet and back without experiencing kidney failure, new research has found.While not usually considered one of the main dangers of space travel, a journey as far as Mars could alter the structure and function of astronauts' kidneys, leading to permanent damage, according to a new paper in the journal Nature Communications.
In the paper, the researchers describe how they analyzed samples from humans and mice from over 40 low-Earth missions, and experimentally tested the effects of a Mars mission equivalent dose of GCR on mice and rats.They discovered that the kidneys of both mice and humans are 'remodeled' by space conditions, which caused changes to the way the kidneys process salts and an increased likelihood of kidney stones.
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