Enviromental Pollution are Much More Hazardous Than Smoking:Discussion on Benzo (a)pyrene

According to the concentration of benzo(a) pyrene (BaP)in air, soil, water, and foods, and amounts of BaP taken up by breathing, drinking, and eating of a person, it is concluded that BaP is not presented in cigarette smoke only and health hazard from enviromental pollution is much heavier than from smoking. Thus, emphasis too much on antismoking activity, it will lead people ignore the control of increasingly enviromental pollution.