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What Happens to the Human Body in Space?

Laxmaan Gajendiran1
1 Department of Space Medicine and Biology, ISERG

Published: Aug 2026

Type: Popular article

Citation
Gajendiran, L., "What Happens to the Human Body in Space?," International Space Education and Research Guild, 2026.

DOI: None

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Abstract

Space is one of the harshest places the human body has ever had to deal with. There's no gravity, no natural day-night cycle, and no easy way to get medical help if something goes wrong. That's what space medicine is about – figuring out how to keep people healthy in a place the human body was never built for.