Learn how each bite influences your health as you explore the intricate processes within the human digestive system—discover more inside.
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digestive system
Why Are Farts Hot?
Learn why farts feel hot and discover the surprising factors that intensify this phenomenon, leaving you curious for more insights.
What Gases Are in a Fart
A fart is mainly composed of odorless gases such as nitrogen, oxygen, carbon dioxide, hydrogen, and sometimes methane. Nitrogen makes up a large part and comes from swallowed air. Gut bacteria break down food and release hydrogen and carbon dioxide. Less than 1% of a fart contains sulfur compounds, which are responsible for the smell. …
Where Do Farts Come From in Your Body?
Starting deep in your gut, the surprising journey of farts reveals more than you might expect about your body’s inner workings.