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Why do farts stink?


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A fart is a combination of gas that travels from the stomach to the anus. The gas that makes your farts stink is hydrogen sulfide!

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A fart contains the smelly gas hydrogen sulfide and is created when a person eats foods that the digestive system cannot absorb.

Answered by Lottie C. -

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The odor of farts comes from small amounts of hydrogen sulfide gas and mercaptans in the mixture. These compounds contain sulfur. Nitrogen-rich compounds such as skatole and indole also add to the stench of farts. ChaCha On!

Answered by Cody B. -

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Flatulence contains odorless gases, such as oxygen, and methane, but it also contains hydrogen sulfide, which causes the smell.

Answered by Sabrina S. -

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Meat contains many chemicals that cause the smelliest farts. People can smell fart chemicals at levels of 1 part in 100 million.

Answered by Kyle H. -

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The smell of farts comes from gas and mercaptans (other gases) in the mixture. Basically it all depends on your diet! ChaCha.

Answered by Lindsay M. -

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