Why Are Some Farts Silent and Others Squeaky?

Getty Images Everybody farts. In fact, the average person farts about 14 times a day with an average volume of one-half liter of gas per day, says Michael Rice, M.D., gastroenterologist at the University of Michigan Medicine Gastroenterology Clinic. That’s a lot of air. But each fart you release isn’t exactly the same. In fact, …

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