Uploaded March 2019 | Updated September 2026, 2 weeks ago

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P.U.! What’s that smell? Turns out, it’s p-YOU. Body odor starts with sweat—but your perspiration itself isn’t what stinks. Your skin's microbiome mix and interact with compounds within your sweat—and that is your B.O.

Learn more: popsci.com/what-causes-body-odor/?utm_medium=social&utm_source=youtube

SUBSCRIBE! for more Popular Science on YouTube ►► youtube.com/popsci?sub_confirmation=1
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Producer/Video by: Jason Lederman

Narrator: Claire Maldarelli

Researcher: Jess Boddy

Music: APM Music

Special Thanks: Chris Callewaert (aka “Dr. Armpit”)

Media: Pexels, Pixabay, Prelinger Archive, Flickr, Pond5

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