Concussion myths we're leaving behind: Dr. Shelina Babul

For years, concussion recovery advice was: rest in a dark room and wait. Science is now telling a very different story. Concussion researcher Dr. Shelina Babul explains what actually happens in the brain after a head injury and why recovery guidelines have changed. We talk about why gradual activity can help healing, why symptoms can appear days later and what parents, coaches and teachers should know to help prevent long-term problems.