Study finds astronauts' hearts improve under Marslike gravity on ISS
A new study reveals that astronauts' hearts adapt well to weightlessness, suggesting they could handle the weaker gravity on Mars after prolonged space missions.
Good news for future space travelers: a new study shows astronauts' hearts can actually withstand the journey to Mars. Researchers tracked 13 astronauts during their six months on the International Space Station and found their heart function improve... [467 chars]
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