Drug use is highly stigmatized not only within U.S. society, but within our health care system as well. This is all the more concerning in the context of HIV care, given the stigmas already associated with HIV. But it's within our power as health care providers to change that. In this month's episode, Joshua Barocas, M.D., of University of Colorado School of Medicine, explains how -- and why it's both cost-effective and morally imperative to do so.