Children shouldn't play contact sport until at least 12 years old experts say. A group of Boston medical scientists told the NZ Herald that the younger you start sports like rugby and American football the greater your chances of degenerative brain diseases.
They were unanimous is saying that a little contact in pre-teens to the head is too much contact.
We speak to Doug King, Clinical Nurse Specialist at Hutt Valley, about his research into concussion in sport.
