The Central Meteorological Observatory predicts that cold air will affect the central and eastern regions from February 28 to March 1.

When the temperature is low, many people, especially middle-aged and elderly people, may cough frequently. They may also feel that there is a lump of air in their chest that they cannot spit out, or they may even be out of breath after taking only two steps.

Han Juan, chief physician of Baokang Hospital Affiliated to Tianjin University of Traditional Chinese Medicine, explained in an interview that the lungs, as part of the respiratory system, are easily exposed to dry and cold air between exhalations and inhalations. When lung qi is damaged, coughing and wheezing will occur. Respiratory symptoms such as chronic bronchitis and asthma are more common among patients with chronic bronchitis and asthma.

  "In cold weather, if you want to avoid or reduce illness, it is very important to nourish your lungs every day." Han Juan said that one of the keys to nourishing your lungs is to replenish enough water. Make sure to drink 6 to 8 glasses of water (about 2000 ml) every day. ), and drink water in small amounts and frequently in a timely manner, and do not wait until your mouth is dry.

In addition, you can usually pour a cup of hot water, point your nose at the mouth of the cup and inhale the water vapor, for about 10 minutes each time, once in the morning and evening, which can moisturize the lungs.

  "Diet therapy can also help nourish the lungs. It is recommended to eat more low-fat, high-protein, and vitamin-rich foods, such as lean meat, poultry, fish, eggs, milk, soy products, vegetables and fruits, etc." Han Juan suggested that it can be based on personal preference. Physical constitution, eat more medicinal and food homologous substances that nourish yin and moisturize dryness, nourish the lungs and promote body fluids, such as white fungus, lily, lotus seeds, pears, honey, etc.

  Han Juan said that exercise is also a good choice to nourish the lungs, especially deep breathing exercises.

The specific operation is as follows. Find a place with good air quality and warmth. During the process of exhaling and inhaling, the turbid air in the lungs can be fully discharged, and at the same time, more clean air can be inhaled to help improve lung function.

In addition, you can also perform sports such as Tai Chi, Baduanjin, Liuzijue, swimming, etc.

  Han Juan reminded that in extreme weather conditions, go out as much as possible.

When you must go out, you should also take protective measures, especially wearing a mask, which can significantly reduce the irritation of the cold air on the respiratory system.