Why does bad breath come from mouth, when some people speak, but it does not happen with others?
Bad breath, sometimes called halitosis, is an unpleasant odor of the breath. Bad breath is likely to be experienced by most adults at least occasionally. Bad breath, either real or imagined, can have a significant impact on a person’s social and professional life. Accumulation of plaque on the teeth is a major cause of bad breath. Plaque is a mucus film that mixes with food particles, saliva, and bacterial residue in the mouth. Bad breath can also be caused by any number of other problems. These include sores in the mouth, infected tonsils, tooth or gum disease, fermentation of food particles in the mouth, sinus infections, and badly cleaned dentures. Conditions that may cause bad breath are not only limited to the oral and nasal areas. Other possible sources of the problem might be indigestion, lung infection, kidney failure, tuberculosis, syphilis, liver disease, stomach and intestinal problems, stress, dehydration, zinc deficiency, and cancer. Cigarette smoking can also lead to bad