“At its core, pain is just something that hurts or makes you say ouch,” says Karen Davis, a senior scientist at the Krembil Brain Institute in Toronto. “Everything else is the outcome of the pain, how it then impacts your emotions, your feelings, your behaviors.”

Jon Hamilton, NPR Correspondent
www.npr.org/sections/health-shots

This NPR Health Shots report looks at current research into how and why pain affects us. Fascinating stuff!