Since most of the world's opium is grown in Afghanistan, the Lao People's Democratic Republic, and Mynamar, it leaves these countries with a significant development of drug addicts. In Pakistan, there is an estimated 650,000 heroin user with no end in sight for the increases. A study among potentially vulnerable groups in Bangladesh which includes youths, students, unemployed, industrial workers, commercial sex workers, slum residents, transport workers and prison inmates, showed a lifetime prevalence of abuse for heroin (2.9%) and opium (2.3%). The coca plant, which is where cocaine is derived from, is ...