Fresh sweat doesn’t have a smell. It’s the bacteria that feast on sweat that cause the bad smell.
It all comes down to an oily secretion from special glands beneath our skin, which are very prevalent under the armpits, and more active at certain times.
Birds use body odour to smell out potential mates, and partners who are genetically unrelated to them smell more attractive.
Sweating is usually our body’s way of stopping us from overheating. But if excess sweating is a problem for you, there’s help.
In the future, traps for mosquito that spread the dengue and chikungunya virus could be made from the carbon dioxide in human breathe as well as body odour.