Why are we so sweaty?
Brains On! Science podcast for kids
The Next Big Thing in Skin Care?
Sweat keeps us cool thanks to the power of evaporation. We have millions of sweat glands all over our body, and we evolved that way to help us be active in hot climates during the day. Some of our sweat glands just make sweat, and others add proteins and fatty acids, which bacteria snack on. That's where stinky body odor comes from.
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