Bad breath can knock your confidence, especially because it’s easier for other people to notice than yourself. So being aware ...

Bad breath can arise from a problem in your mouth or throat, or from metabolic processes. Depending on the cause, your breath may smell sweet, sour, rotten, musty, fishy, or like ammonia.

Explore four unexpected habits that lead to bad breath beyond poor oral hygiene, including hydration, diet, smoking, and ...

People can lose the ability to smell chronic bad breath — when the nose smells an odor so often that it loses the ability to smell it at all.

Discover why illness causes bad breath through bacterial growth, dehydration, medications and body chemistry changes. Learn ...

Bad breath stinks, literally, but it may also be a sign of a serious health problem. A dentist discusses the different types and causes of halitosis.

Should you be using a tongue scraper? Here’s what the science says. Clinical trials have shown that scraping and brushing the tongue can both temporarily reduce odor-causing bacteria.

Halitosis: 11 Possible Reasons Your Breath Smells Bad Eating garlic and a lax teeth-brushing routine aren't the only answers to the question, "Why does my breath smell?" ...

Learn why bad breath persists after brushing in 80% of cases, including causes like dry mouth, GERD, and gum disease plus treatment options.

Most people will have bad breath at least once in their life, but it is unusual for breath to smell like urine. Learn more here.