What is pain for? Where does it come from? How useful is it?

Lorimer Moseley, Professor of Clinical Neurosciences and Chair in Physiotherapy, University of South Australia, discusses these questions, and looks at what the answers might mean for us, and those who suffer from chronic pain.

This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at http://ted.com/tedx