In daily life, many people will face the problem of bad breath, and the inside of the mouth will often emit an abnormal smell, which will affect daily interpersonal communication.
Usually, this bad breath problem is related to the previous day's diet, as long as you brush your teeth in time, you can get some improvement.
However, if the bad breath is obvious and has not been treated, it is likely to lead to further aggravation of the body's disease, which will hinder their own life and work.
In fact, there are many causes of bad breath, such as the following six common factors.

1. Oral diseases
In normal times, it is easy to breed bacteria inside the mouth, especially for people with oral diseases such as gingivitis, periodontitis and periodontal disease, the occurrence of these diseases will lead to an increase in bacteria inside the mouth'
And so that a lot of food in the mouth residue, and then fermentation, the production of a large amount of hydrogen sulfide, and eventually lead to the problem of bad breath.
2. Gastrointestinal diseases
Many gastrointestinal disorders, such as peptic ulcers and chronic gastritis, can cause bad breath.
Usually, this phenomenon of bad breath occurs when the digestive organs digest food, and it is difficult to alleviate it by just brushing your teeth.
The reason for this kind of problem is mainly due to the continuous destruction of the stomach, so that a series of abnormal conditions, such as indigestion, Helicobacter pylori infection, etc., and the occurrence of these problems will lead to excessive sulfides in the body, which in turn will cause bad breath.
Third, long-term constipation
Bad breath is a reflection of many diseases in the mouth, such as constipation.
If the patient has a long-term problem of constipation, it means that there is a problem with the digestive function of the stomach and intestines, so that the food cannot be fully digested and absorbed, and it remains in the body;
And these foods will produce a lot of odors in the process of decay, so that the inside of the mouth will emit a foul smell.
4. Liver disease
If the patient often has problems with bad breath, then it should be considered that it may be related to the decline in liver function. It is understood that the liver part is an important detoxification organ inside the human body and has a certain detoxification effect.
However, if the patient has liver disease, then the function of the liver will decline, and the body's detoxification ability will be reduced, resulting in the accumulation of toxins in the body, and eventually cause obvious symptoms of bad breath.
Fifth, improper diet
Bad breath has a lot to do with diet in peacetime. If patients often eat various spicy and stimulating foods in their lives, such as garlic, onions and peppers, it will have an impact on the body.
At the same time, the taste of this kind of food is relatively large, often emit a pungent odor, if you do not rinse your mouth in time after eating, then it is easier to cause odor inside the mouth, and even cause bad breath.
In this regard, it is necessary to adjust the diet in time, correct the problems of diet, and try to avoid eating foods with high irritation.
6. Diabetes
The appearance of bad breath is most likely caused by diabetes. It is understood that as a common chronic disease, diabetes will cause certain damage to the patient's body during the development process, resulting in an increase in blood sugar levels in the body and the production of a large number of ketone bodies.
With the increase of these ketone bodies, the inside of the mouth will emit a distinct odor. In this regard, it is necessary to stabilize blood sugar in time and reduce blood sugar in a reasonable way, so as to improve the problem of bad breath.
The above is easy to cause bad breath phenomenon of the six main reasons, patients in the usual time to pay special attention, develop healthy living habits, starting from daily small things, pay attention to the cleanliness and hygiene of the mouth, as far as possible to gargle after meals, brush teeth on time.
At the same time, avoid staying up late and get enough sleep. Only in this way can we better ensure the cleanliness of the mouth and make the breath more fresh.