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Spaceflight may harm the reproductive system of astronauts' kids and grandkids, early mouse study suggests
The mice’s offspring and grandchildren showed smaller litters and lower reproductive hormones, researchers said, after 20 females spent 42 days in space.
The offspring of mice that spend time on the International Space Station are more vulnerable to external stressors, a new study finds. More work is needed to understand potential health impacts on human astronauts' families.