Long Spaceflights Mean Shrinking Hearts, According to New Research | The Weather Channel

Long Spaceflights Mean Shrinking Hearts, According to New Research | The Weather Channel

March 31, 2021

Updated: March 31, 2021, 3:32 pm EDTPublished: March 31, 2021, 3:32 pm EDT

When astronaut Scott Kelly spent more than 300 days in space, his heart shrank, despite regular exercise.

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