How serious is concussion in sport?

Many sporting codes have been paying more attention to player concussions and treating the injuries more seriously. So it was a surprise when Sports Medicine Australia CEO Anthony Merilees told ABC’s 7.30 that long-term brain damage caused by concussion “has not been proven”. Nic spoke to Occupational Therapist Dr Caron Jander about this controversial comment, and whether there is a link between depression and concussion in sport.