Can gargling really prevent diseases?

Ms. Liu, a client reader, asked: autumn and winter are coming. Many colleagues have caught colds, and the smog here is also heavy. A friend said that gargling more can prevent respiratory diseases. Is it useful?

Chen Minsheng, chief physician of the Department of Stomatology of the Second Affiliated Hospital of Zhengzhou University, answered: gargling is really good for disease prevention. The mouth is an important channel for polluted air to enter the human respiratory tract. If you rinse your mouth with clean water every day, you can indeed remove some haze particles in your mouth and protect your respiratory tract. Clinical studies abroad have found that gum disease may increase the risk of various respiratory diseases. Gargling can effectively reduce gum problems and reduce gum erosion by washing food residues and bacteria in the mouth. In addition, in autumn and winter, the resistance of the human body has declined, bacteria and viruses often invade, and the throat bears the brunt. Gargling is the best protection for the throat.

When gargling, water should be contained in the mouth, the back teeth should be clenched, and the muscles of the lips and cheeks should be used to make water pass through the teeth, so as to gargle. Rinse your mouth every 2 hours every day, especially before and after eating, preferably 6-8 times a day. It is recommended to gargle with warm boiled water, or use light saline and tea. Autumn and winter are the seasons of frequent oral ulcers. Gargling with light saline and tea can not only keep the mouth moist, but also help to heal oral ulcers. In particular, tea has an alkaline property to neutralize the acidity of food residues in the mouth. Catechins in tea also have the effect of inhibiting influenza virus.

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