Support WBURPitching Health Care In Baltimore's Red Light DistrictPlay11:18Download AudioAudie CornishAndrea HsuNovember 10, 2015 ShareNathan Fields talks to passersby about how to use a naloxone auto-injector to treat an opioid overdose. (Meredith Rizzo/NPR)
Nathan Fields talks to passersby about how to use a naloxone auto-injector to treat an opioid overdose. (Meredith Rizzo/NPR)