About 25gs News Today

12, 13, 14 look like really good years to start allowing that to get into the play. let the kids get accocoordinated understand the game. >> reporter: when i got hit today with about 25gs, it still hurt. the research shows its about the time the kids get to college that the repetitive impact is causing less trauma to the brain. back to you, luke. i think you used to play soccer. what do you think of all this? >> i was a football player in high school. i did not know the equivalent of a brick to ...