Originally Posted by jones

I do lot of surfing and I am very much worried of the several health problems that are ultimately fatal. So I thought of posting my view and the knowledge that I gather on the forum will be good to spread the information and also to get the responses.

I came to know that 80 percent of all lung cancers includes Tobacco smoker. An the rest constitutes the Asbestos, radon and occupational exposure to certain carcinogens. And according to Zuo-Feng Zhang, a professor of epidemiology at the University of California at Los Angeles School of Medicine and principal author of the new study since marijuana smoke is high in tar contents and people who use this drug tends to inhale deeply, depositing four times more particulate matter in the mouth, throat and windpipe than cigarette smokers so the oral cavity would be the first site to affected through marijuana cancer.