Pain comes to us all at some point in our lives. Sometimes it’s a short, sharp shock. Other times, it seems to cling to us. A person’s pain is a unique experience and describing what hurts is not a simple task. In this edition of the Why Factor on the BBC World Service, Sandra Kanthal asks why we need to understand more about pain and learns more about new ways being developed to manage and measure pain.

(Photo: Pain level meter indicating maximum Credit: Shutterstock)