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4 years ago

Can space travel affect your DNA? NASA releases test results of twins and astronauts Mark and Scott Kelly

AccuWeather
AccuWeather
NASA wanted to study the effects of the human body in space. When astronaut Scott Kelly returned to Earth in 2016, NASA studied the physical changes to his body in comparison to his twin brother, Mark. And they found a slight difference to their gene expression, which were once the same.
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