Sometimes, you can catch dogs standing smelling their asses. This seemingly quirky act actually means far more important than its appearance.
Many people wonder that one thing, why practice for hours in the gym, sweat is drenched but doesn't seem to smell.
The proteins, fats produced by the body and the growth of bacteria are the main causes of human body odor.
From diabetes, bladder infections to liver failure, schizophrenia ... can be diagnosed by smelling.
Researchers from the Monell Center (USA) found that the smell of earwax can reveal identity information, even our sexual orientation and health.