As the name suggests, bad breath creates a smelly odor often accompanied by a foul taste in your ... Believe it or not, respiratory infections, sinus infections, and postnasal drip can all lead to bad ...

These compounds are the actual odor emitting particles that you smell as bad breath,” she said. And while it may seem like ...

Medically reviewed by Jane Kim, MD A sinus infection, or sinusitis, is inflammation of the cavities around your nasal passages. Symptoms of a viral or bacterial sinus infection include congestion, ...

An international study has found how the microbes in our mouths are connected to the lifestyles we lead and the food we eat.