Harmful effect of passive smoking Abstract: smoking is not only bad for smokers, but also bad for non-smokers. Passive smoking is greatly hazardous to infants, children, women. I hope all the smokers can give up smoking for themselves and also for the people around them. Key words: smoking passive smoking harm health many people know that smoking is hazardous to health, but few people know that passive smoking is also harmful to health. Many people believe that smoking can affect health, not smoking will not affect health. In fact, the dangers of secondhand smoke to passive smokers are not smaller than active smoking, especially the harm to infants, children and women. Nowadays more and more people realize that smoking does harm to health. However, many people still enjoy smoking. Why? Because some of them think it is a kind of fashion, some people consider it is a habit and others believe that smoking can refresh themselves. Nevertheless, smoking can cause a lot of diseases and it is not only bad for smokers, but also bad for non-smokers. Passive smoking is commonly known as smoking secondhand smoke. Secondhand smoke contains more than 4000 kinds of materials, including more than 40 toxic chemicals linked to cancer. People who live with smokers take the risk of lung cancer 6 times more than normal people. For children, passive smoking can cause respiratory disease and affect the normal growth and development. For pregnant women, passive smoking can result in stillbirth and miscarriage. Passive smoking also increases the adult's risk of respiratory disease, lung cancer and cardiovascular disease. In addition, secondhand smoke may produce a series of relationship crises. Smoking in home, office and other public places, is likely to affect the harmony between people. In general, smoking does harm to society, family and yourself. Passive smoking causes greatly intangible damage to innocent people. Therefore, I hope all the smokers can give up smoking for themselves and also for the people around them. 本文来源：https://www.wddqw.com/doc/8a4edd6352d380eb62946d90.html