Why do we get body odor?

Updated February 21, 2017 | Factmonster Staff

Most people think we get body odor from sweat. But that's only partially true. Much of our body odor comes from bacteria that live on us and grow in our warm sweat. When bunch of bacteria clings together in close quarters, it emits an unpleasant odor. When we bathe, we wash away the bacteria—and the smell.

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