Long spaceflights and endurance swimming can 'shrink the heart'

Long spaceflights and endurance swimming can 'shrink the heart' External link

Spending very long periods of time in space has something in common with extreme endurance swimming: both can cause the heart to shrink. That's the conclusion of a study that compared the effects of astronaut Scott Kelly's year in space with a marathon swim by athlete Benoît Lecomte.

Tagsheartspace travel
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