Traditional Culture Encyclopedia - Weather inquiry - It's always foggy recently. How should I pay attention at ordinary times so as not to hurt my health?
It's always foggy recently. How should I pay attention at ordinary times so as not to hurt my health?
Smog weather has the greatest impact on the respiratory system, which has become the common sense of most people. The respiratory system has the most frequent contact with the external environment and the contact area is large. Hundreds of atmospheric particles can directly enter and adhere to the upper and lower respiratory tract and lungs of the human body, most of which will be inhaled by the human body. Secondly, the haze weather weakens the surface ultraviolet rays, which easily increases the activity of bacteria in the air. Fine particles can "carry" bacteria and viruses deep into the respiratory system, causing infection.
2. Hurt my heart
Harvard University School of Public Health has proved that particulate pollutants on cloudy days will not only cause myocardial infarction, but also cause myocardial ischemia or injury. The United States investigated 25,000 people with heart disease or bad heart, and found that with the increase of PM2.5, the mortality rate of patients would increase 10 μ g/m3.
Step 3 damage blood vessels
There are many pollutants in the air in foggy days, and the air pressure is low, which is easy to induce acute attacks of cardiovascular diseases. When the fog is heavy, the water vapor content is high. When people exercise outdoors, sweat is not easy to be discharged, which makes people feel chest tightness and blood pressure rise. Moreover, in foggy weather, the air pressure is relatively low, and people will feel irritable and their blood pressure will naturally rise. In addition, in foggy days, the temperature is often low. Some patients with hypertension and coronary heart disease suddenly go from warm indoor to cold outdoor, and blood vessels expand with heat and contract with cold, which will also increase blood pressure, leading to stroke and myocardial infarction.
4, hurt the skin
Skin also has respiratory function. In clean air, the skin will be very comfortable and moist, but in a dirty environment, the skin will be very uncomfortable.
5. Brain injury
Smog not only harms organs, but also affects the nervous system invisibly. Zhong Nanshan once introduced that the 65th annual meeting of the American Geriatrics Association came to a conclusion that if PM2.5 in the air increases 10 μ g/m3, people's brain function will age for three years.
6. Injury of reproductive system and urinary system
The influence of smog on semen quality is mainly manifested in the later stage. Inhalable substances in smog enter human blood circulation and gradually accumulate in various organs of human body, including scrotum in semen factory. In addition, because the genitourinary system is the fastest metabolizing tissue in human body, when particles inhaled from outside enter human blood circulation, it is the genitourinary system that will be affected first, which will cause some diseases of genitourinary system, such as renal failure, uremia, oligozoospermia, sperm malformation and prostatic hyperplasia. In addition, it should be noted that diseases such as colds and allergies are more likely to attack or worsen in foggy days; Some pathogens in smog can cause headaches and even induce diseases such as hypertension and cerebral hemorrhage; Hazy weather will also lead to the weakening of ultraviolet rays in the surface layer, which can enhance the activity of infectious bacteria in the air and increase infectious diseases.
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