Smoking is harmful to the health of people . It not oilly pollutes air，brings about sufferings of other people such as children and nonsmokers，but also causes diseases of bronchitis，lung cancer，chest cancer and throat catcer．Smoking is associated with christian louboutin cancers．Smoke is a mixture of gases，vaporized chemicals，minlute particles of ash，and other solids．There are also tar and nicotine。

 which are powerful poisons．As the smoke is breathed in。

all these components from deposits the membranes of the lungs．One point Of concentration where air tube，or bronchus divides．Most lung Cancer begins at this point．

World governments should conduct Seriou campaigns against smoking．First，legislative step must be introduced．Second。
       restrictions on cigarette advertisements must be imposed．Third。
       public smoking in certain places such as theatres。
       cinemas，waiting roms at airports and railway stations should be banned．In this way。
       we may make the smokers feel increasingly uncomfortable about their bad habits．finally。
       cigarette price should be booste

Enviromnental pollution can be divided into two kinds: personal and impersonal. Personal pollution may be defined roughly as unhealthy habits such as smoking, drinking, and eating the wrong foods.Clearly, with enough will power we can control this mbt shoes personal environment. Impersonal pollution, on the other hand, refers to those things which are beyond our individual control. One example would be indus trial pollution, which is very hard to mbt shoes control because of the expenses that are needed. The American automobile industry, for example, resisted the law requiring smog-control devices because iluggs feared the added expense would reduce profits. Nevertheless, some laws protecting the environment have been quite successful in reducing pollution.
There are two main causes for cancer: heredity and environment. We can do nothing to change our heredity, that is, the basic physical uggs characteristics that arepassed on to us by our parents. However, we can do a great deal to control our environment, which may account for eighty to ninety percent of all cancers.

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