Spending time in space can harm the human body − but scientists are working to mitigate these risks before sending people to Mars
- Written by Rachael Seidler, Professor of Applied Physiology & Kinesiology, University of Florida

When 17 people were in orbit around the Earth all at the same time on May 30, 2023, it set a record. With NASA and other federal space agencies planning more manned missions and commercial...