Scientists are studying how space missions impact human bodies, revealing common changes from long stays in microgravity. NASA's research, including the Twins Study, highlights these alterations, with astronauts experiencing muscular and cardiovascular issues, bone loss, and sleep deprivation. Recent returnees from the ISS, Suni Williams and Butch Wilmore, exemplify these changes. Each mission's crew undergoes extensive medical tracking, offering insights into the various biological adjustments that occur in an environment vastly different from Earth. This ongoing research aims to prepare astronauts for extended space travel, like planned missions to Mars.
"There's a muscular and cardiovascular reconditioning that has to happen," Steve Stich said, highlighting the significant changes astronauts undergo during and after missions in space.
"Every single crew member that we fly in orbit, we collect medical research data," demonstrating NASA's commitment to understanding the physical impacts of space travel.
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