I get so tired of hearing uninformed people say that marijuana is harmless, or that it causes "little harm," as recent contributors to the Forum have stated. Call up the American Cancer Society and ask for some of their literature. Marijuana smoke contains a great many more toxic substances and carcinogens than tobacco smoke. Smoking grass on a regular basis is a great way to destroy one's health. And those who say that marijuana is not addictive have obviously never spent much time with a pothead who can't think about anything except getting high and staying high and figuring out how to get some more weed once his stash has been all smoked up, even if he has to lie or steal to get it. [continues 146 words]