What Causes a Fishy Body Odor?

Soap and water is usually the most effective way to wash away a rank odor, but what if the scent of fish, trash or even feces was constantly wafting off your body? Learn about Trimethylaminuria (TMAU), a rare metabolic disorder in which a digestive enzyme deficiency prohibits the body from breaking down metabolites in food, resulting in a chronic stench.