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Scientists Create Smart Underwear That Measures How Many Times a Person Passes Gas Daily, and Study Reveals Surprising Average for Understanding One of the Most Common and Least Studied Phenomena of the Human Body

Written by Flavia Marinho
Published on 10/03/2026 at 21:30
Cientistas criam roupa íntima inteligente que mede quantas vezes uma pessoa solta gases por dia e estudo revela média surpreendente
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US Researchers Test Underwear-Attached Sensor To Measure Gases Released Throughout The Day And Discover That People Can Release Gases Dozens Of Times Without Noticing, Creating A New Field Of Study On How The Intestine Works

A curious experiment inside a university laboratory ended up paving the way for one of the most unusual studies in modern science. Researchers created smart underwear capable of recording when a person releases gas.

The goal is not to make jokes. The idea is to answer a question that medicine has yet to explain accurately: how many times a day does a person normally release gas.

The initial result surprised even the scientists themselves.

During the first tests, young, healthy volunteers released gas an average of 32 times a day. In some cases, the number was much lower. In others, it nearly doubled.

And it all started with an improvised test inside a laboratory.

A Sensor That Transformed Smart Underwear Created To Study Bacteria Ended Up Revealing A Phenomenon That No One Managed To Measure In Real Life

The story began when microbiologist Brantley Hall, from the University of Maryland in the United States, was trying to measure gases produced by microorganisms in the human intestine.

The equipment did not function as expected in the laboratory setting. Frustrated, the researchers decided to try something different.

They removed the sensor from the equipment and decided to test if it could detect gases released by the human body itself.

Hall placed the sensor in the smart underwear and conducted a simple test. The result was immediate.

The device picked up a very strong signal, showing that it would be possible to record human gases accurately. From that moment, the idea of creating clothing with an attached sensor was born.

The Device The Size Of A Coin Can Record When The Body Releases Gases Throughout The Whole Day

The equipment developed by the researchers is small and discreet.

The sensor is approximately the size of a coin and can be attached to regular underwear. It records the presence of hydrogen released in intestinal gases.

This detail allows the device to identify when the body is releasing gas, even if the person does not notice.

In the first tests, college volunteers used the sensor during their normal daily activities.

The results were remarkable.

Some people released gas only four times a day, while others had up to 59 daily episodes.

According to the researchers, this shows that there is still no considered normal number. Science simply has never managed to measure this phenomenon outside of hospital settings.

Scientists Discovered Three Curious Profiles Of People When The Subject Is Intestinal Gas

During the initial tests, researchers noticed that people seem to fit into three main groups.

One of these groups is made up of those who hardly release gas, even after consuming fiber-rich foods. Scientists called this group calm digesters.

On the other extreme are people who produce much more gas. These volunteers released gas much more frequently throughout the day.

Between these two extremes is the intermediate group, which represents the majority of the people analyzed so far.

The curious thing is that medicine still does not have an official number considered normal, something that already exists for other indicators of the human body, such as heart rate or cholesterol levels.

According to the researchers, this lack of data caught attention.

Even amidst the advancement of science, there is still no clear map of gas production in the human body.

A Global Project Began Recruiting Volunteers To Create The First Large World Map Of Human Gases

To try to answer this question, researchers created a project called Human Flatus Atlas.

The idea is simple yet ambitious. Volunteers wear the sensor attached to their underwear for several consecutive days.

The device works practically all the time, with a small daily break to charge while the person takes a shower.

During this period, participants also record what they eat through a mobile app.

This way, scientists can observe whether certain foods increase or decrease gas production.

According to the researchers, there is still no clear answer to various intriguing questions.

One of them is especially intriguing.

Do people release gas while sleeping?

To this day, no one has managed to measure this accurately.

Unexpected Public Interest Shows That The Topic Sparks Global Curiosity

Even though it is a subject surrounded by taboos, the project sparked enormous interest.

The first 800 pieces of smart underwear for volunteers sold out quickly. Over 3,500 people expressed interest in participating in the research.

The team responsible had to temporarily halt registrations while new sensors are produced.

The project also inspired the creation of a startup called Ventoscity. The company aims to help fiber supplement manufacturers better understand how their products affect gas production in the intestine.

According to the researchers, the public’s reaction was unexpected.

Even though it is a topic not often discussed openly, many people showed curiosity in better understanding their own bodily functions.

The initiative ended up revealing something curious about modern science. Even in a world filled with technology and advanced research, some simple everyday questions still remain unanswered.

And one of them could, therefore, be happening right now without anyone noticing.

What do you think about this curious research? Do you believe that science should study more about the everyday functioning of the human body? Share your opinion in the comments.

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Flavia Marinho

Flavia Marinho é Engenheira pós-graduada, com vasta experiência na indústria de construção naval onshore e offshore. Nos últimos anos, tem se dedicado a escrever artigos para sites de notícias nas áreas militar, segurança, indústria, petróleo e gás, energia, construção naval, geopolítica, empregos e cursos. Entre em contato com flaviacamil@gmail.com ou WhatsApp +55 21 973996379 para correções, sugestão de pauta, divulgação de vagas de emprego ou proposta de publicidade em nosso portal.

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