Long spaceflights and endurance swimming can ‘shrink the heart’on March 29, 2021 at 5:02 pm

Spaceflight and endurance swimming can both cause the heart to lose mass, say researchers.

“Now you take away the head-to-foot gradient and then you put the person in the water, so you adjust that gradient too. It’s just about like being in space,” said Prof Levine, who is also director of the Institute for Exercise and Environmental Medicine, a collaboration between UT Southwestern and Texas Health Presbyterian Hospital Dallas.