Government officials say 1.2 million Afghans are now addicted to drugs . United Nations says growing drug use could lead to HIV/AIDS crisis . Afghan President Hamid Karzai has said he will not sign the treaty because it doesn't address his country's opium problem.
Government officials say 1.2 million Afghans are now addicted to drugs . United Nations says growing drug use could lead to HIV/AIDS crisis . Efforts to combat drug use suffering from chronic lack of funds .