How to prevent the worst smog this winter?

First, reduce going out. The elderly, children and people susceptible to respiratory diseases with weak resistance should try to reduce going out or outdoor activities, and wear masks to protect their bodies when going out to prevent pollutants from invading the lungs through the nose and mouth. After returning from going out, you should immediately wash your face and expose your skin.

Second, reduce outdoor sports. Patients with chronic respiratory diseases, such as bronchial asthma, chronic bronchitis, obstructive emphysema, chronic obstructive pulmonary disease, etc., should avoid outdoor exercise as much as possible to avoid the onset or aggravation of chronic diseases. Similarly, the foggy weather is low, and patients with chronic diseases such as hypertension and coronary heart disease should not do outdoor exercise to avoid inducing angina pectoris and heart failure. Moderate and severe smog weather can easily stimulate the human respiratory and circulatory system, especially in the morning when the air quality is poor. Generally speaking, if there is no cold air activity, rain, snow, strong wind and other weather, it is best to choose the exercise time from morning to evening with good air quality and high visibility, and it is a place with many trees and grass. In foggy weather, the amount and intensity of exercise should be moderately reduced.

Third, close the doors and windows. Because the pollutants in the air are difficult to dissipate in foggy days, doors and windows should be closed in foggy days to avoid outdoor fog entering the room to pollute the indoor air and induce acute respiratory and cardiovascular diseases.

Fourth, pay attention to diet. Patients with chronic respiratory diseases, especially the elderly, should keep scientific life rules, avoid overwork and drink plenty of water. Pay attention to a light diet, eat less irritating food, eat more tofu, milk and other foods, and supplement vitamin D when necessary.

You should be more careful when driving and walking. Moderate and severe haze weather, low visibility and poor line of sight. People who drive, ride and walk should be more careful, especially when passing through intersections and unguarded railway crossings, to slow down and obey traffic rules to avoid traffic accidents.