Travel
Missions to Mars in doubt after tests reveal space travel shrinks astronauts’ kidneys
Microgravity and galactic radiation from space flight cause serious health risks in long space flights
Sending humans to Mars has not been ruled out, but measures to protect astronauts’ kidneys from radiation would have to be developed. Photo: Getty
Human missions to Mars could be at risk after new research revealed that long-duration space travel can impact the structure of astronauts’ kidneys.
Samples from more than 40 space missions involving humans and mice revealed that kidneys are remodelled by the conditions in space, with certain parts showing signs of shrinkage after less than a month in space.
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