Body odour is embarrassing, it spoils clothes, and can ruin a person's social life. Covering our body are around 3 million sweat glands. Most body odour comes from the armpits and groins, where the sweat is produced by glands called apocrine glands. The sweat produced in these hairy areas is milk-like and rich in protein. These glands respond to the hormone testosterone - which is why sweating and BO are more common after puberty.
Sweat produced from the rest of the body is made by different glands - called eccrine glands.
It's more salty - and fortunately, bacteria can't live on it. Daily routine 1. On average we loose over a litre of sweat a day because sweating is the body's way of regulating its temperature. So does being overweight and eating foods such as onions, fish, garlic and spicy meals. You can often smell these foods in the sweaty parts of the body.