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Do you think you might have bad breath? Don't bother hyperventilating into your cupped hand. Your nasal and oral cavities are connected, so your nose is more than accustomed to detecting and ignoring odors that emanate from your mouth.
Halitosis is the third-most-frequent reason people visit the dentist, followed by tooth decay and periodontal disease. It is generally caused by a proliferation of anaerobic bacteria in the mouth. If you're concerned your breath might take down a small army, the American Dental Association has this suggestion to confirm your suspicions.
Using a white plastic spoon, cotton ball or Q-Tip, gently scrape the back of your tongue. If you see yellow residue, it's likely you have halitosis, which is common first thing in the morning or after eating foods such as garlic and onion.
If you don't brush and floss daily, particles of food remain in the mouth and collect bacteria. Over time these particles -- which remain between teeth, on the tongue and around the gums -- can rot, leaving an unpleasant odor.
But if you have chronic halitosis, you should schedule an appointment with your dentist.
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