According to the National Institutes of Health, poor oral hygiene is the most common reason for bad breath. And all the mouthwash, breath mints, and breath fresheners in the world can’t banish bad breath when the source is bacteria rather than the food you eat. If you’ve been having trouble keeping your mouth feeling fresh and smelling good, this article will help you locate the real source of the problem...and it may not be the onions you ate at lunch.
