Intertwined with his story about the struggles of families and communities stressed by lack of capital and power over their surroundings is striking new research on substance use. Hart uses his life and work to reveal that drugs are not nearly as harmful as many think. For example, most people who use the most “addicting” drugs do not develop a problem. Rather, Hart says, drugs are scapegoated for problems related to poverty. The policies that result from this misconception are catastrophically misguided. AlterNet spoke with Hart about his life and research.