How should teenagers prevent smog?

Reducing going out is the most effective way to protect yourself. According to the epidemiological study on PM2.5 published by Huang Wei, a researcher at the Frontier Interdisciplinary Research Center of Environment and Health in Peking University, in American Epidemiology 20 12, after excluding the influencing factors such as age, sex, aging and meteorological factors, when the concentration of PM2.5 increases 103 μ g/m3, the risk of excess death from all causes of residents will increase by 2.29%. The risk of excess death caused by cardiovascular and cerebrovascular diseases is higher, which is 3.08%.

If you must go out, don't ride a bike, avoid the rush hour of traffic jam and the sections where you drive a lot, and avoid inhaling more chemicals. It is also best not to drive a private car, but to take public transportation to contribute to reducing PM2.5

Countermeasure 2: smoke less.

Cigars, cigars and pipes will produce a large number of fine particles belonging to the category of PM2.5 if they are not completely burned. Tobacco smoke contains more than 7000 compounds, including 69 carcinogens and 172 harmful substances, which will seriously harm the health of smokers themselves and those who inhale "second-hand smoke", especially in this smog weather. Therefore, smokers should try to smoke as little as possible whether they go out or stay indoors in recent days.

Countermeasure 3: Open fewer windows

Experts say that in foggy weather, try not to open the window. If you really need to open the window for ventilation, you should try to avoid the morning and evening smog peak hours, and open the window for ventilation for half an hour to one hour at a time. At the same time, residents who use air conditioning for heating should pay attention to opening windows to ensure adequate indoor oxygen. You can plant a variety of green plants on your balcony, terrace and indoors, such as green crown-leaf plants such as green radish, evergreen and tiger orchid, because of their large leaves and strong adsorption capacity. You can also use an air purifier. 80% of air purifiers in the market mainly purify fine particles in the air, which has a good adsorption effect on PM2.5, but you should pay attention to changing the filter element frequently when using it.

Countermeasure 4: Choose the right mask.

Ordinary masks have little effect on 2.5 micron airborne particles. To block PM2.5, a medical N95 mask is needed, which can block 95% of 0.3 micron particles and also play a certain role in PM2.5 weather off the charts.

To buy a formal and qualified N95 mask that matches your face size, you should wait until it is dry and fold it in half to prevent the breathing moisture from breeding bacteria on the mask. It should not be worn for too long, and the elderly and patients with cardiovascular diseases should avoid wearing it to avoid dizziness caused by dyspnea.

Countermeasure 5: Do a good job in personal hygiene.

Wash your face, rinse your mouth and clean your nasal cavity in time after going out to prevent the harm of PM2.5 to human body. It is best to use warm water when washing your face, which is beneficial to wash off the particles on your face. When cleaning the nasal cavity, you can repeatedly clean it with a clean cotton swab dipped in water, or repeatedly absorb water with your nose to blow your nose quickly and avoid choking. In addition to face cleaning, bare parts of the body should also be cleaned.

Countermeasure 6: light diet

Eat less irritating food and more fresh vegetables and fruits, which can supplement various vitamins and inorganic salts, moisten the lungs and remove dryness, eliminate phlegm and relieve cough, and strengthen the spleen and kidney. You can also eat more tofu, milk and other foods. In addition, self-made throat moistening tea is also a good choice, which can solve the problems of dry throat and cough and reduce the harm of air pollution to the lungs. Raw materials: 3 grams of Dendrobium, 3 grams of lily, 3 grams of Ophiopogon japonicus, 2 jujubes and 2 crystal sugar. Usage: Add 150ml boiling water for soaking. A material can be brewed for 2-3 times. Maybe, dear. .....