Science
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3 days agoVideo Shows NASA Astronaut Struggling to Walk After Journey Around the Moon
Prolonged microgravity exposure causes various health issues for astronauts, including balance problems upon returning to Earth's gravity.
On Jan. 7, while aboard the International Space Station, I experienced a medical event that required immediate attention from my incredible crewmates. Thanks to their quick response and the guidance of our NASA flight surgeons, my status quickly stabilized.