By Tina Rosenberg
So how did Iran do it? How did a conservative theocracy decide to deal with its drug addicts as if it were Canada? In Tuesday’s column, I wrote that Iran is treating its massive epidemic of injecting drug use mainly as a health problem. With this strategy, it has effectively managed to lower H.I.V. rates among drug users and keep the disease from spreading. It has taken an approach to drugs known as harm reduction, which includes the provision of methadone maintenance therapy and clean needles to drug users.