Each year, 40 to 60 percent of American adults suffer from chronic back pain. More than one million spine surgery procedures are performed annually in the US, with medical costs to treat back pain approaching $24 billion per year. Dr. Stuart McGill, professor of spine biomechanics and chair of the department of kinesiology at the University of Waterloo in Ontario, Canada, joins host Dr. Leslie Lundt to talk about cost-effective treatments for back pain.