Smoking Today smoking is a widespreaded habit over the world. Not only the old, the youth, but also middle school students have been engaged in smoking. Many of them think that smoking is a symbol of grown up. However,smoking does harmful for health. It contributes a lot of lung cancer, from which many people have died in the past years. It can also cause many other diseases. In a word, if you smoke, you do have a much greater chance of losing your health. Furthermore, it is also a threat to public health, especialy to women and children. Moreover, smoking may catch fire. It's so dangerous for our life and properties. Besides, smoking will cost you a lot and I think it's unnecessary to pay for a cigarette. In conclusion, we must cut down the daily amount of the cigarette and save our life and protect our environment. 本文来源：https://www.wddqw.com/doc/c18b29bb84868762cbaed523.html