Those in favor of legalizing drugs often argue that the negative social consequences, including gang warfare and the permeation of dangerously impure substances, are more to do with their prohibition than the drugs themselves. Indeed, before the criminalization of heroin in the UK it was no more than a trivial medical problem <ref>http://news.bbc.co.uk/1/hi/magazine/4647018.stm</ref>. Opponents of criminalization also point to the [[Prohibition]] experiment in the USA, where the illegality of alcohol caused problems of gang warfare and unsupervised distilleries that made worse the very problem that prohibition was intended to solve. | Those in favor of legalizing drugs often argue that the negative social consequences, including gang warfare and the permeation of dangerously impure substances, are more to do with their prohibition than the drugs themselves. Indeed, before the criminalization of heroin in the UK it was no more than a trivial medical problem <ref>http://news.bbc.co.uk/1/hi/magazine/4647018.stm</ref>. Opponents of criminalization also point to the [[Prohibition]] experiment in the USA, where the illegality of alcohol caused problems of gang warfare and unsupervised distilleries that made worse the very problem that prohibition was intended to solve. |