Ask Dr. Hallberg: The basics of chronic pain

Dr. Jon Hallberg
Dr. Jon Hallberg is assistant professor in family medicine at the University of Minnesota, and medical director at Mill City Clinic. He is a regular medical analyst on MPR's All Things Considered.
Photo courtesy Tom Bloom

Abnormalities in the brain predispose people to suffer from chronic pain, according to a new study from the Northwestern University Medical School.

Dr. Jon Hallberg joined Tom Crann to discuss the basics of pain — the cause, purpose and treatments for it — and what can be learned from this new study.