SCIENCEglobal
How often do people really fart? Scientists built smart underwear to find out
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Updated 2 hours ago
First seen March 15, 2026 21:42:45Stay on top of this story
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Quick Summary
Researchers have created “Smart Underwear,” a wearable device that measures flatulence by detecting hydrogen produced by gut microbes. Early tests suggest people may pass gas about 32 times a day—much higher than previous estimates. The device gives scientists a new way to track gut microbial activity in everyday life. It will power a new nationwide study called the Human Flatus Atlas to map normal patterns of gas production.