The Nuance

What a NASA Study on Astronaut Microbiomes Reveals About Our Health

Ultra-sterile living conditions may contribute to common astronaut illnesses, including gut, skin, and immune-system problems

Markham Heid
Elemental
Published in
7 min readMay 26, 2021

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Photo: NASA/Unsplash

Spaceflight is hard on the human body. The absence of gravity can induce a form of nauseating…

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Markham Heid
Elemental

I’m a frequent contributor at TIME, the New York Times, and other media orgs. I write mostly about health and science. I like long walks and the Grateful Dead.