Here are the common causes of body odor or odour:
- bacteria on the skin
- not washing properly (be sure you wash between skin folds)
- eating certain foods such as garlic or broccoli
- diseases or infections
Sweat build up in skin glands. If there's a compressed area of your body (compressed by another body part) I.e. Inner legs, under arms, arse. Typically where hair grows, (not on your head) there's BO.