How opioid painkillers became an epidemic Subscribe to our channel! http://goo.gl/0bsAjO It's a terrifying fact: More than 47,000 people in America died of drug overdoses in what's been widely called an epidemic. But the biggest killer of this epidemic isn't cocaine, meth, or even heroin — it's totally legal opioid painkillers Vox.com is a news website that helps you cut through the noise and understand what's really driving the events in the headlines. Check out http://www.vox.com to get up to speed on everything from Kurdistan to the Kim Kardashian app. Check out our full video catalog: http://goo.gl/IZONyE Follow Vox on Twitter: http://goo.gl/XFrZ5H Or on Facebook: http://goo.gl/U2g06o