Understanding Farts: Benefits, Warning Signs, and Gut Health Insights

Passing gas is a normal bodily function, but changes in frequency or odor could signal underlying digestive issues.

Published on Feb. 28, 2026

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Farting is a completely normal and necessary part of digestion, with most people passing gas between 14 and 23 times per day. Gas builds up in the digestive system through swallowing air and the fermentation of undigested carbohydrates by gut bacteria. While often considered a social taboo, understanding the reasons behind flatulence can offer valuable insights into your overall gut health.

Why it matters

Passing gas can provide relief from bloating and even contribute to stress reduction, highlighting the close relationship between digestive health and overall well-being. However, significant changes in gas patterns can serve as an 'early warning system' for underlying digestive issues, so it's important to pay attention to these changes.

The details

Gas is produced through two primary mechanisms: swallowing air and the fermentation of undigested carbohydrates by gut bacteria. The composition of a fart typically includes nitrogen, oxygen, carbon dioxide, hydrogen, and methane, with the sulfur-containing compounds often responsible for the characteristic odor. Foods like eggs, red meat, and cruciferous vegetables are common culprits for producing smelly gas.

  • Most people pass gas between 14 and 23 times per day.
  • The study period for this research was from February 19, 2026 to the present.

The players

Pornchai Leelasinjaroen, MD

A gastroenterologist at Gastro Health in Kennewick, Washington.

Supriya Rao, MD

A gastroenterologist and spokesperson for the American Gastroenterological Association.

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What they’re saying

“Your abdomen is a confined, closed space. When gas builds up, it's exactly like blowing up a balloon inside a small box. That tight feeling is a literal distension of your… gut.”

— Pornchai Leelasinjaroen, MD, Gastroenterologist (newsdirectory3.com)

“Passing gas can offer 'almost instant relief' from bloating.”

— Supriya Rao, MD, Gastroenterologist and spokesperson for the American Gastroenterological Association (newsdirectory3.com)

What’s next

Individuals experiencing significant changes in gas patterns, such as increased frequency, odor, or associated discomfort, should consult with a healthcare provider to rule out any underlying medical conditions.

The takeaway

Farting is a normal and necessary part of digestion, often indicating a healthy gut microbiome. However, paying attention to changes in gas patterns can provide valuable insights into overall gut health, and seeking medical advice when needed can help maintain optimal digestive function and well-being.