Smoking is the main cause of chronic obstructive tracheal disease. Because smoking can cause the cilia of bronchial epithelial cells to become shorter and irregular, cause dyskinesia, reduce local resistance and be susceptible to infection.
Smoking can also cause emphysema, and toxic substances accumulated in the bronchi of the lungs will hinder the normal exhalation of the air inhaled by the human body, make lung cells expand or rupture, and cause patients to have difficulty breathing.
Extended data:
liver
Smoking will increase the burden on the liver. Regular smoking will affect the lipid metabolism of the liver, increase blood lipid, decrease benign cholesterol and increase malignant cholesterol. This has caused the burden of detoxification function of the liver to increase.
intestines
Smoking can lead to colon cancer. The risk of this kind of cancer is directly proportional to the amount of smoking. Research shows that although quitting smoking can reduce the risk of heart disease, lung cancer and other diseases, the risk of colon cancer is still high.
ocular region
Smoking can lead to cataracts and affect vision. Research shows that there are twice as many cataract patients who smoke more than one pack a day as those who never smoke.
genital system
Smoking inhibits the nerve center of the spinal cord, making men's sexual desire weak, and because smoking can make blood vessels contract and spasm, it causes peripheral blood circulation disorder. Therefore, smoking is the main cause of impotence. Australia and Canada have printed this information directly on cigarette packets.
In addition, smoking will affect sperm motility and increase abnormal sperm, and it will take three to six months to return to normal after quitting smoking. If you want a smart and healthy child, baby experts advocate that you must give up smoking for three to six months.
brain
Affect the normal development of the brain, leading to brain unresponsiveness.
Affect beauty
Compared with non-smoking women, the skin of smoking women is aging, wrinkled and gray. In particular, wrinkles in the corners of the eyes, upper and lower lips and corners of the mouth have increased significantly.
Be susceptible to AIDS
Mainly manifested 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.
Easy to cause abortion
The abortion rate of pregnant women who smoke more than 10 cigarettes a day is more than double that of pregnant women who don't smoke; 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.
Decline in fertility rate: The Oxford Family Planning Association of the United Kingdom draws a conclusion through the study of 17000 women of childbearing age 1 1 year. Smoking will reduce the fertility rate. The infertility rate of women who smoke more than 10 cigarettes a day is 10.7%, and the infertility rate of women who don't smoke is only 5.4%.
Another survey shows that smoking women are 2.7 times more likely to suffer from infertility than non-smoking women. If both husband and wife smoke, the possibility of infertility is 5.3 times that of non-smoking couples.
Baidu encyclopedia-smoking
Baidu encyclopedia-smoking
People's Network-Great changes have taken place after quitting smoking.