Human Flatulence: Researchers Measure Significantly More "Events" Than Thought
Researchers developed a sensor measuring intestinal gases from underwear, revealing surprising results for everyday life.
Researchers have investigated the emission of intestinal gases using a sensor.
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Hot air is known to be produced in many places. However, researchers at the University of Maryland have now literally gotten wind of the fact that this happens significantly more often than previously assumed. On average, humans produce 32 flatulence events per day. It was previously assumed that there was a tailwind 14 times a day. This finding was made possible by a sensor developed by the researchers. It is attached to underwear and measures intestinal gases.
The sensor detects hydrogen gas for this purpose. While some people first think of methane when it comes to flatulence, it is actually hydrogen emissions that betray flatulence – whether it's a silent post or a loud intestinal storm. Hydrogen is produced when intestinal bacteria ferment carbohydrates. Previous studies relied on patient diaries, laboratory tests, or short clinical observations, as the original study shows. However, the sensor also indicated whether the air was clear at night and in other everyday situations.
Some people are "hyper-producers"
The study is part of a larger research project called "Human Flatus Atlas." The aim is to map normal gas production across different people, diets, and microbiomes.
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According to the researchers, the range of emissions was between four and 59 "events" per day. The test subjects themselves were not reliable sources – their self-reports proved to be highly unreliable compared to the gas sensor. What the researchers also found: Some people are "hydrogen hyper-producers," while others produce surprisingly little gas despite a high-fiber diet.
But all jokes aside, the sensor and research serve a good purpose: The goal is to gain a deeper understanding of gastrointestinal diseases such as irritable bowel syndrome and food intolerances. Excessive gas production is a symptom of these conditions. However, it has been difficult to measure until now.
(mki)
