Sweat rarely smells on its own. Body odour develops when bacteria on the skin break down compounds in sweat and release volatile chemicals that evaporate into the air. This interaction between sweat ...

Eccrine sweat glands—millions of which produce our salty, cooling perspiration—are actually found in all mammals. But in most other animals, the fluid from eccrine glands is not used to cool down, but ...

Sweat rarely smells on its own. Body odour develops when bacteria on the skin break down compounds in sweat and release volatile chemicals that evaporate into the air.