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Researchers created wearable sensors that snap onto underwear to measure flatulence by tracking hydrogen gas, replacing unreliable self-reporting and uncomfortable rectal tubes. The device could help diagnose digestive disorders and establish baseline data on normal gut gas production.
- Healthy adults fart an average of 32 times daily, nearly double the 14 times reported in medical literature, with individual variation ranging from 4 to 59 times per day.
- Previous flatulence tracking relied on participants' memory (unreliable) or rectal tubes (uncomfortable), making long-term studies impractical until this non-invasive wearable sensor was developed.
- The underwear monitors hydrogen specifically because gut microbes produce it exclusively during fermentation, providing a direct measure of microbial activity rather than just counting gas events.