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Why do farts smell so bad? A microbiologist explains the odors brewing in your gut

By Brenda A. Wilson, Professor of Microbiology, University of Illinois Urbana-Champaign

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com.

Why do farts smell so bad? – Daisy, age 7, New York, New York

A healthy person farts about 14 to 20 times each day. All together, that’s…

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