Society has been fighting the plague of addictions without knowing how drugs, cigarettes, and alcohol hot-wire the brain's pleasure response. Now researchers may be closing in on a magic bullet.
Jeff was your everyday successful guy. He owned a thriving clothing business, had plenty of friends, and seemed to be living the sweet life in sunny Florida. Except for one thing: He was a heroin addict. It began eight years ago at a party with a snort of just one line of the drug. Within weeks, Jeff, then 30, was a frequent user and enjoying it. So much so that before long snorting didn't deliver a powerful enough high to satisfy his cravings; he moved on to smoking heroin.