18 Jan 2026, Sun

Often we think that the effect of oral disease is limited only to teeth and gums. If a tooth gets infected or gums start bleeding, people ignore it considering it to be a minor problem. But a new scientific study that has come out recently has completely changed this thinking. Now researchers say that the harmful bacteria present in the mouth can gradually enter the body and damage important organs like the liver, that is, if you do not pay attention to the cleanliness of your mouth, then it can have a direct impact on the health of your liver. This study shows that even though mouth and liver seem to be different organs, there is a deep connection between the two. This news is especially important for those people who are already struggling with diabetes, obesity or the habit of drinking alcohol.

What did the study reveal?

This study has been published in a prestigious scientific journal named Nature Microbiology. In this, scientists from Munich Technical University of Germany conducted research on 86 patients. During the research, samples of saliva (sputum) and stool of the patients were examined. Scientists found that some bacteria, which are usually found only in the mouth, were present in large quantities in the intestines of people suffering from severe liver disease. These bacteria especially included Veillonella and Streptococcus.

How do oral bacteria reach the intestine and liver?

Scientists say that under normal circumstances these bacteria are not found in the intestines. But in people who have chronic liver disease, these bacteria reach the intestine from the mouth and settle there. Researchers said that these bacteria produce enzymes that damage the intestinal protective layer. When this layer becomes weak, bacteria easily enter the blood and then reach the liver directly through the blood. This increases swelling in the liver and the disease can become more serious.

What do doctors say?

According to experts, the bacteria present in the gums can enter the bloodstream through small wounds created during everyday activities such as brushing or chewing. After this, these bacteria reach the liver and cause inflammation there and put pressure on the immune system. They say that such inflammation for a long time increases the risk of fatty liver, liver fibrosis and serious liver disease.

Who are at greater risk?

According to doctors, this problem can happen to anyone, but some people are more at risk, such as diabetic patients, obese or overweight people, regular alcohol drinkers, people with weak immune systems. These people already have inflammation in the body, which gives more opportunity to bacteria to grow.

Recognize the early symptoms of oral disease

Frequent bleeding from the gums, bad breath that does not go away, swelling or pain in the gums, shrinkage of gums and loose teeth. These signs indicate that bacteria are increasing in the mouth, which can later harm the entire body.

What to do to protect the liver?

Experts say that good oral hygiene can play an important role in protecting liver health. For this, brush properly twice a day. Floss daily so that food and bacteria stuck between the teeth are removed. Get checked by a dentist from time to time. Do not take any oral problem lightly. Stay away from alcohol and adopt healthy eating habits.

Also read: Why does IVF fail even after everything is perfect, know where the problem lies?

Disclaimer: This information is based on research studies and expert opinion. Do not consider this as a substitute for medical advice. Before adopting any new activity or exercise, please consult your doctor or relevant specialist.

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