Men search for small particles of gold in an open sewage that have been washed out from a nearby jewelry district in Karachi, Pakistan on Friday December 05 2008. The men say that they make very little money, just enough to buy a dose of heroin now and then.///..While Bangladesh, India, Nepal and Maldives all suffer from drug consumption, Pakistan is the worst victim of the drug trade in South Asia. Today, the country has the largest heroin consumer market in the south-west Asia region..The drug addicts resort to crime for generating income for the purchase of narcotics. The situation is becoming serious due to the number of heroin addicts in the country. An alarming rate of increase of 100,000 addicts per year is highly dangerous to society. The drug addicts are affecting nearly 20 million dependents and family members with psychological, social, and economic repercussions.