How to stop bad breath: Probiotic bacteria found in fermented foods like yogurt, sourdough bread and miso soup may help fight mouth odors, science suggests.

If you have a cold or other upper respiratory infection, an increase in mucus, designed to help your body expel viruses and bacteria, can make your breath reek.

Having bad breath really stinks! Now, researchers from Japan report that a particular combination of bacteria in our mouths may be responsible for producing some very unpleasant smells.

But the most common cause of bad breath is the presence of bacteria. "There are hundreds of types of bad breath-causing bacteria living naturally in your mouth," explains Price.

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

Using a tongue scraper can reduce bacterial buildup on the tongue’s surface, often a primary source of oral odors. Staying hydrated proves crucial in preventing bad breath.

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.

Can a virus cause bad breath? An infection from a virus or bacteria, like bronchitis, tonsillitis and sinusitis, can cause inflammation and a buildup of mucus in the back of the throat, also ...

From natural, plant-based products to on-the-go packets for fresh breath on-demand, these are the best mouthwashes to keep your mouth feeling fresh and clean.

A newly published meta-analysis, encompassing seven studies and nearly 300 subjects, has found certain types of bacteria found in fermented foods may help people suffering from persistent bad breath.

“Coming in for regularly scheduled cleanings and keeping good oral hygiene at home can be the easiest way to prevent bad ...