Access to information on the harm of smog to the human body

1 The main components of haze.

The smog that obscures the view is mainly composed of sulphur dioxide, heavy metals, and inhalable particulate matter. The English abbreviation for particulate matter is PM; Generally, the particle size of the tube is less than or equal to 10 microns is called PM10, and the particle matter less than or equal to microns is called.

2 Only one-thirtieth of a hair. Because 75% of it can be deposited in the alveoli, people can get particulate matter into the lungs. Don't underestimate these pollutants, WHO estimates that around 2.4 million people die each year from diseases caused by air pollution.

3 The trachea is suffering.

After entering the lungs, it will reduce the ventilation function of some bronchial tubes, and over time, it will also lead to damage the defense function of the respiratory tract, causing emphysema, bronchitis and bronchial asthma and other diseases.

4 Blood vessels are not easy either.

In addition to affecting the respiratory tract, it can also cause blood vessels to constrict, cause vascular endothelial cell dysfunction, cause a large number of reactive oxygen species free radicals to enter the blood, enhance coagulation function, and induce thrombosis and blood pressure to rise.

5 Lung cancer mortality is increasing.

The American Cancer Society followed 1.2 million adults for 26 years. The data showed that a 10 microgram increase in air concentration per cubic meter of air was associated with a 15 to 27 increase in lung cancer mortality.

6 Adolescents are a key target of smog.

In addition to adults, adolescents are also the main victims of smog, and inhaling too much smog will not only cause damage to their nervous system, but also affect their attention, memory and reaction ability. It can also hurt the eyes and make the vision impaired.

7 p.m. 10 causes newborn babies to lose weight.

Epidemiologist Payam Davand et al. analyzed data from 3 million newborns in nine countries, focusing on the impact of PM10 on the fetus. It was found that PM10 causes weight loss in newborn babies.

8 Why do people become sluggish?

There is a gland called the pineal gland in the human brain, which is sensitive to light. As soon as there is no sunlight and the environment is darkened, it begins to suppress the invigorating thyroxine and adrenaline. People tend to become passive and depressed.

9 Poor air quality and rising suicide rates.

A team of researchers at Yonsei University in Seoul analyzed the relationship between more than 4,000 suicide cases and PM10 and found that suicide rates increased every time air quality hit new lows. In particular, patients with cardiovascular disease are more likely to commit suicide when air pollution is severe19.

10 Not all masks are smog resistant.

Not all masks are smog-proof! At present, the more reliable is the N95 mask. In addition, oxide stress is the main cause of our disease. If you can, eat foods that have antioxidant effects, such as blueberries, tomatoes, etc.

Formation of haze:

Clause. First, it is automobile exhaust. Large vehicles that use diesel fuel are "repeat offenders" of PM10 emissions, including large buses, shuttle buses of various units, and large transport trucks. Urban Toxic Particulate Matter**:

The first is car exhaust. Cars that run on diesel are "repeat offenders" of emitting fine particulate matter. Although gasoline-powered small cars emit gaseous pollutants, such as nitrogen oxides, they can easily be converted into secondary particulate pollutants in foggy weather, aggravating smog.

The exhaust of motor vehicles is the most important component of haze particles, and the latest data show that motor vehicle exhaust, coal, dust, and industry account for the smog particles in Beijing. However, with the advancement of automobile technology and the rise of oil quality, environmental managers have found that motor vehicle exhaust does not play a decisive role in the formation of haze weather, but as some cities with large car ownership, managers still need to control motor vehicle emission standards to avoid the formation of haze weather.

Clause. Second, the exhaust gas generated by burning coal for heating in winter in the north.

Clause. 3. Exhaust gases emitted from industrial production. For example, metallurgy, kilns and boilers, mechanical and electrical manufacturing, as well as a large number of exhaust gases emitted from the combustion of kilns for automobile repair and painting and building materials production.

Clause. 4. Dust from construction sites and road traffic.

Clause. Fifth, the particle size of the growing particles, bacteria and viruses is equivalent to, when the humidity and temperature in the air are suitable, the microorganisms will attach to the particles, especially the particles of oil smoke, and the microorganisms absorb the oil droplets and transform into more microorganisms, so that the growth of biotoxic substances in the haze increases.

Clause. Sixth, home decoration will also produce dust "haze", indoor dust is diffuse, not only harmful to the health of workers and users, increase the burden of cleaning, when the dust is serious, but also bring many hidden dangers to the decoration project.

What is the harm of smog to the human body

Clause. 1. Induce respiratory diseases. The composition of smog is very complex, with hundreds of particles of various sizes, which can enter the respiratory tract through human respiration and cause respiratory diseases such as bronchitis and asthma.

Clause. 2. Cause cardiovascular and cerebrovascular diseases. In hazy weather, the air has low oxygen content, which will make the heart beat faster, making people feel chest tightness and shortness of breath. In particular, it is more harmful to the elderly.

Clause. 3. Cause various bacterial diseases. Because of the haze weather, the sun does not reach the earth, or the sunlight is weak. This will cause bacteria, viruses and microorganisms on the surface of the ground to multiply rapidly, causing allergies and other diseases.

Clause. Fourth, the risk of cancer is increased. As we all know, smokers have a 60% higher chance of developing lung cancer than the general population, and smog contains more harmful particles, so smog is more likely to cause cancer than smoking.

Clause. Fifth, it makes people depressed and irritable. People's mood is easily affected by the weather, haze weather is gloomy and dark, the air is dirty, people's mood will become depressed, irritable. Lack of energy to do things.

Clause. 6. Traffic accidents are likely to occur. Smog can reduce visibility, and in severe cases, you can only see a few meters away. It has great safety hazards for pedestrians and vehicles on the road, and it is very dangerous.

The main reason for the formation is that the relative humidity of the air near the ground in these areas is relatively large, the ground is dusty, and the people and vehicles on the ground will stir up the dust, and the other is that there is no obvious cold air activity, the wind is relatively small, and the atmosphere is relatively stable, due to the non-flow of air, the tiny particles in the air gather and float in the air.

In addition, because the emission of automobile exhaust is a major pollutant, in recent years, there are more and more cars in the city, the emission of automobile exhaust is a factor of haze, and the other is that the factory produces secondary pollution, at the same time, like some clear and cloudy skies, which is conducive to radiation at night, and the air with relatively high humidity near the ground is saturated, condensed, and foggy is formed, and haze will cause certain damage to the respiratory tract of the human body. Moreover, it will reduce visibility and easily cause some traffic accidents.

The formation of haze and the harm of the formation of haze, the result of his paw atmosphere and pollution on our human body absorption is prone to have an impact on the lungs, respiratory infections.

The cause of smog is caused by exhaust fumes from automobiles, exhaust fumes from factories, and fireworks and firecrackers. Haze has a certain impact on traffic safety, easy to cause traffic congestion, traffic accidents, etc., and can also lead to the weakening of ultraviolet rays near the ground, so that the activity of germs in the air is enhanced. Harm to the human body has induced infectious diseases, has an impact on the respiratory tract and nervous system, and will increase the probability of cancer.