The risk of lung cancer of smokers is 13 times that of non-smokers. If you smoke more than 35 cigarettes a day, your risk is 45 times that of non-smokers. The mortality rate of lung cancer in smokers is 10~ 13 times higher than that in non-smokers. About 85% of lung cancer deaths are caused by smoking. If smokers are exposed to chemical carcinogens such as asbestos, nickel, uranium and arsenic at the same time,
A large number of studies have proved that the incidence of lung cancer in smokers is 20~25 times higher than that in ordinary people, and it is positively related to the amount of smoking and the length of smoking. The smoke from cigarette burning contains more than a thousand kinds of chemicals, among which 3,4-benzopyrene, nicotine and tar have been identified as carcinogens. In addition, radioactive elements polonium -2 10, carbon-14, arsenic and nickel also have carcinogenic effects.
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The harm of smoking to women
1, affecting beauty: the skin of smoking women is older, wrinkled and grayer than that of non-smoking women. In particular, wrinkles in the corners of the eyes, upper and lower lips and corners of the mouth have increased significantly.
2, susceptibility to AIDS: mainly in the impact of smoking on the immune system. Smoking can significantly reduce activated immune cells CD4 and lymphocytes. Smoking will affect the vagina, cervix and immune system, reducing immunity. Therefore, under the same circumstances, smokers are more likely to be infected with AIDS than non-smokers.
3. It is easy to cause abortion: the abortion rate of pregnant women who smoke more than 10 cigarettes a day is higher than that of pregnant women who don't smoke 1 times; The incidence of premature delivery in smoking women is twice as high as that in non-smoking women. According to the latest research, the more pregnant women smoke, the more likely their children will be arrested for violent crimes in the future.
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