Collage: Concussions

A concussion is type of traumatic brain injury that is caused by a bump, blow, or jolt to the head. Concussions can change the way the brain operates. Dr. Michael Brant-Zawadzski is the Executive Medical Director for Hoag Memorial Hospital Nuerosciences Institute. Dr. Brant Zawadzski joins KSBR News Director Dawn Kamber on this edition of "Collage."