Bo smells like onion? mouth taste of onion, what causes this?

Body smell: Body smell is unique to an individual. Varies in health ans in disease. Such as in Keto-Acidosis, after heavy smoking, alcohol intake, etc. Body odor does not come from sweat itself because sweat is odorless. Your body produces two types of sweat: the eccrine sweat and apocrine sweat . The eccrine sweat represents a clear sweat, consisting mostly of water that does not smell and plays an important role in regulating our body temperature. The apocrine sweat that is produced by the glands is thicker and is located mainly near hair follicles, on the groin area, in the armpits and on the scalp. When bacteria contacts with apocrine sweat on the surface of the skin, the release of chemicals produces your body odor. Women A curious study conducted by researchers at Firmenich, a company in Geneva revealed that women's body odor contained high levels of sulphur compound, which together with bacteria, feeding on sweat, produces chemical compound thiol that has a smell of onion. According to their findings, men's sweat was found to contain high levels of fatty acid, which when mixed with bacteria from the underarm, produces the smell, resembling cheese.