AdvertisementBaltimore Fights Heroin Overdoses With Antidote OutreachSeptember 09, 2015Audie CornishAndrea HsufacebookEmailHealth worker Nathan Fields (left), Rep. Donna Edwards and Dr. Leana Wen show people how to use naloxone on a street corner in Sandtown, a Baltimore neighborhood where drug activity is common. (Andrea Hsu/NPR)