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Astronauts Tend to Get Constipated in Space, a Blood Test May Reveal Why

Reanalysis of 488 samples from 52 astronauts found gut bacteria signs of protein fermentation, a pattern that may help explain constipation in space.

Summary by Discover Magazine
Learn how slower digestion mat change what astronauts’ gut bacteria feed on during a long stay in orbit.

3 Articles

Discover MagazineDiscover Magazine
Center

Astronauts Tend to Get Constipated in Space, a Blood Test May Reveal Why

Learn how slower digestion mat change what astronauts’ gut bacteria feed on during a long stay in orbit.

·Wilmington, United States
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Science DailyScience Daily
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Blood tests reveal why astronauts get constipated in space

Spaceflight may dramatically change the gut within weeks, causing bacteria to break down more protein as food moves more slowly through the intestines. The shift could help explain astronaut constipation and may have wider effects on health, making it an important concern for future missions to Mars.

·Encinitas, United States
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themondonews.comthemondonews.com

Blood test reveals reasons for constipation in space

9 Source: www.sciencedaily.com

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Science Daily broke the news in Encinitas, United States on Monday, September 28, 2026.
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