Few things are as off-putting as having bad breath. We inwardly cringe or turn away when a friend or co-worker has stinky breath, and identifying an unpleasant odor coming out of one's own mouth ...

In most cases, bad breath comes from the gums and tongue. Some bacteria in your mouth may produce compounds that result in an odor. But most bad breath is the result of poor oral hygiene.

No one likes to hear it, but it's worse not to know it: You have bad breath. Bad breath (also known as halitosis or malodor) can be embarrassing and tough on those around you. Some people don't ...