We are told that marihuana is harmless, except…

Abstract

Some recent research suggests that marihuana, used in limited doses, may be no more harmful to users than some of the more commonly consumed alcoholic malt beverages, used in limited doses. But a careful examination of the medical research literature reveals specifics—often only hinted at in many of the recent articles on marihuana use—concerning excessive damage to individuals who may have certain physical or psychological inabilities to handle this substance, who may use it in doses that are more than minimal, or who may use it over extended periods of time.