Study: What happens when you hold in a fart? It can come out your mouth

(Photo: National Institutes of Health / Lee Health / Vimeo)

Face it. Everybody passes gas.

It's a natural body function that everyone from babies to seniors do on a daily basis.

But what happens if you're stuck in an important meeting or are in the middle of a serious conversation and you need to "hold in" your fart?

Clare Collins, a professor in Nutrition and Dietetics at the University of Newcastle, says, "A build up of intestinal gas can trigger abdominal distension, with some gas reabsorbed into the circulation and exhaled in your breath."

You read that right — if you try to hold in your fart, it can come out of your mouth.

"Trying to hold it in leads to a build up of pressure and major discomfort," said Collins. "Holding on too long means the build up of intestinal gas will eventually escape via an uncontrollable fart."

Instead of holding your fart in, Collins says that its better to "let it go" in a "more convenient location."

READ MORE: Health Check: what happens when you hold in a fart?

close video ad
Unmutetoggle ad audio on off