First, why is smoking addictive? Smokers are often addicted to smoking, which is mainly the result of the long-term effects of nicotine. Nicotine, like other narcotics, is not adapted when first smoked, causing chest tightness, nausea, dizziness and other discomfort, but if you smoke for a long time, the nicotine in the blood reaches a certain concentration, repeatedly stimulate the brain and make the organs produce dependence on nicotine, at this time the addiction is wrapped up. If you stop smoking, there will be temporary irritability, insomnia, anorexia and other so-called “withdrawal symptoms”, plus many smokers have a psychological dependence on tobacco, that smoking can refresh, relief, eliminate fatigue, etc., so the addiction is getting bigger and bigger, can not stop. In fact, tobacco and heroin addiction caused by different, the former can be completely quit, the key to quit the psychological dependence on tobacco. This psychological dependence leads to a behavioral dependence of smokers, making it very difficult for smokers to quit, which invariably increases the difficulty of quitting. Second, second-hand smoke endangers the health of others? Passive smoking is also known as smoking “secondhand smoke”, currently 600 million people in China are suffering from the harm of passive smoking. The concentration of harmful substances inhaled by passive smokers is not lower than that of smokers, smokers exhale cold smoke, smoke tar content than smokers inhale hot smoke in 1 times more, benzo(a)pyrene 2 times more, carbon monoxide 4 times more, so many harmful substances to the surrounding people, especially children, pregnant women and the elderly cause great harm: it is estimated that four million children in the United States each year due to inhalation It is estimated that four million children in the United States become ill each year from inhaling “secondhand smoke”. Parental smoking increases the incidence of lower respiratory tract diseases such as asthma and pneumonia in children by 50%, and children are prone to various chronic respiratory irritation symptoms such as coughing, coughing, wheezing, and even sustained lung function impairment; passive smoking tends to cause middle ear effusion, which increases the incidence of otitis media in children; passive smoking can significantly increase the number and severity of asthma attacks in children with asthma, and for children with allergies Passive smoking can increase the number and severity of asthma attacks in children with asthma, and is more likely to trigger asthma attacks in children with allergies; passive smoking is closely related to the occurrence of sudden infant death syndrome (SIDS); parental smoking makes children more likely to become smokers; inhalation of “secondhand smoke” in pregnant women is likely to cause miscarriage, premature birth, low birth weight babies and congenital malformations in babies such as cleft lip and cleft palate; long-term inhalation of “secondhand smoke” in the elderly is likely to cause “Second-hand smoke” is likely to cause pneumonia, acute cardiovascular and cerebrovascular diseases …… Three, why can not quit smoking? A study shows that 11.7% of smokers are relapsers, and the degree of lung damage in relapsers is heavier than in smokers, for a number of reasons: relapsers are more likely to become addicted than other smokers, and after relapsing, they inhale more cigarettes, and each puff of smoke is inhaled more deeply, and the impact on the body is self-evident. For each smoker, there are certain “risky” situations (when others around you are smoking, feeling stressed, irritable, after drinking alcohol) where the urge to smoke is more likely to occur, so try to avoid these situations, and it is a good idea to take a few slow deep breaths or engage in other activities to distract yourself from the urge to smoke. 4. Will my life change after I quit smoking? If you choose to quit smoking, let’s see what happens to your life after you quit: your blood oxygenation returns to normal after 8 hours and your risk of myocardial infarction begins to decrease; your breath is fresher after 24 hours, your lungs begin to excrete mucus and tar, and your risk of respiratory infections, bronchitis, and pneumonia begins to decrease; nicotine is no longer detected in your blood after 48 hours; your sense of taste and smell improves after 1 week; your breathing improves after 3-9 months. -After 1 year, the risk of heart disease (such as myocardial infarction) is halved; after 5 years, the risk of stroke, oral cancer, esophageal cancer and bladder cancer is halved; after 10 years, the risk of lung cancer is halved and the risk of cerebrovascular emergencies (brain “stroke”) at the same risk as non-smokers …… So by choosing to quit smoking, you are choosing a healthy and fresh life. ”The probability that smoking is life-threatening is 50%, and quitting is the same as saving yourself”. This was the warning and appeal to all smokers at the 30th French Medical Salon held in Paris by the French National Council on Smoking Cessation and the Tobacco Prevention Office.