Space changes you. It strengthens some muscles, weakens others, shifts fluids within your body, and realigns your sense of balance. NASA’s Human Research Program works to understand—and sometimes even counter—those changes so astronauts can thrive on future deep space missions. Astronauts aboard the International Space Station work out roughly two hours a day to protect […]
Category:
Johnson Space Center, General, Human Research Program, International Space Station (ISS), Missions
Posted on
September 9, 2025
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