A man carries a bag with coca leaves in December 2013 in a rural area of Corinto, department of Cauca, Colombia. The Colombian government and the FARC are attempting address the issue of "illicit cultivation" as the third point of their ongoing peace talks. AFP/AFP/Getty Images hide caption

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Tina Wolf demonstrates the use of naloxone to community members in Lindenhurst, N.Y., during an overdose prevention training. Georgia Dolan-Reilly (left) of the Suffolk County Prevention Resource Center helped with the training. Kevin Hagen for NPR hide caption

itoggle caption Kevin Hagen for NPR

Deaths from oxycodone overdoses fell sharply in Florida after the state cracked down on pain clinics and implemented dispensing restrictions. Robin Nelson/Zumapress/Corbis hide caption

itoggle caption Robin Nelson/Zumapress/Corbis

Generic hydrocodone plus acetaminophen pills seen in a pharmacy in Montpelier, Vt., in 2013. Toby Talbot/AP hide caption

itoggle caption Toby Talbot/AP

Morphine and oxycodone (the active ingredient in Oxycontin) are strong narcotic pain relievers on their own. Moxduo, a drug now up for FDA approval, would combine morphine and oxycodone in a single capsule. Rich Pedroncelli/AP hide caption

itoggle caption Rich Pedroncelli/AP

The number of babies born with neonatal abstinence syndrome is rising in Tennessee, and lawmakers want to try a punitive approach. Katie Collins/PA Photos/Landov hide caption

itoggle caption Katie Collins/PA Photos/Landov

Opana is the latest painkiller that's become popular with drug abusers. Thomas Walker/Flickr hide caption

itoggle caption Thomas Walker/Flickr