Bad Breath Causes
The principal bad breath cause is associated with bacteria in the mouth. They are anaerobic, which means “without oxygen”. As saliva provides oxygen the lack of saliva with a dry mouth makes a more favorable environment for the bacteria to increase, The bacteria create sulfurous compounds, such as hydrogen sulfide (the bad egg smell)，leading bad breath.
Dry mouth is the most causes of bad breath:
Dry mouth means lack of saliva, which also means that old food is not washed away, and saliva also helps in neutralizing acids. Saliva also performs the very necessary task of flushing out the mouth, and removing food particles, so any reduction in saliva flow inhibits this action.
Saliva can be reduced for a number of reasons.
- natural causes
The flow of saliva reduces naturally as we get older, making us more prone to bad breath.when we are dehydrated, the moisture in the mouth reduces naturally.when asleep, people will have their mouths open, maybe even snoring, and this will dry out the mouth. This contributes to the “morning breath” syndrome. - medications
Dry mouth can also be caused by medications for various problems. The most common is probably the antihistamine, taken to relieve allergies. Some others include high blood pressure and depression medicines. Other things that can be ingested that affect the dryness of the mouth include alcohol and mouthwashes that contain alcohol. - cigarette smoking
One of the many problems associated with cigarette smoking is dry mouth, for many reasons unrelated to bad breath, it is wise to avoid smoking, as has been documented extensively elsewhere. With a predisposition to bad breath, however, the habit of smoking virtually guarantees that you will suffer from bad breath.
Certain diseases and illnesses can similarly contribute to bad breath. Any infection that affects the respiratory tract can be a cause of bad breath, as well as many other diseases.
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