Those in favour of legalising drugs often argue that the negative social consequences, including gang warfare and the permiation of dangerously impure substances, are more to do with their prohibition than the drugs themselves. Indeed, before the criminalisation 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 criminalisation also point to the [[Prohibition]] experiment in the USA, where the illegality of alchohol caused problems of gang warfare and unsupervised distilleries that made worse the very problem that prohibition was intended to solve. | Those in favour of legalising drugs often argue that the negative social consequences, including gang warfare and the permiation of dangerously impure substances, are more to do with their prohibition than the drugs themselves. Indeed, before the criminalisation 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 criminalisation also point to the [[Prohibition]] experiment in the USA, where the illegality of alchohol caused problems of gang warfare and unsupervised distilleries that made worse the very problem that prohibition was intended to solve. |