NASA didn’t miss a (heart)beat when the opportunity arose to study the cardiovascular systems of identical twin astronauts, one aboard the International Space Station and the other on Earth. Results from the Cardio Ox investigation, part of the research of the One Year Mission of astronaut Scott Kelly, may provide a better understanding of cardiovascular disease risk that astronauts encounter during and after long-duration spaceflight. Stuart Lee, the lead scientist for the Cardiovascular and Vision Laboratory at NASA’s Johnson Space Center, explains the importance of spaceflight Weightlessness research on the cardiovascular system and how results could be used to create countermeasures, preventing potential health consequences for future space travelers as well as those of us on Earth.
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