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Bad Breath (halitosis) Research

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When does bad breath get even worse?

Bad breath is usually worse:

  • Upon awakening.

  • When your mouth is dry (lots of things cause dry mouth - not drinking enough fluids, having just given a long speech, being under stress, hundreds of medications...)

  • After indulging in products with high levels of proteins, such as milk products and meat. If a little piece of meat remains between you teeth for a time, it is rapidly putrefied. Coffee may increase malodor, although no scientific evidence is available. Foods containing onions, garlic, (cabbage?) and various spices may cause bad breath. Some of this odor may be due to the odorants being released into the lungs from the blood stream, sometimes for days following ingestion.
    Directly prior to or during the menstrual period, perhaps because the gums tend to get swollen and trap bacteria and/or debris.