If opioids treat pain like a hammer, what medical researchers are looking for is something more like a delicate scalpel. Rivka Galchen holds a medical degree in addition to being a staff writer for The New Yorker, and she joins guest host Courtney Collins to discuss progress on developing alternative painkillers and why pain is so hard to manage in the first place. Her article is “The Radical Development of an Entirely New Painkiller.”