Concussions. here are the statistics from the centers for disease control. they point out each year emergency rooms tweet 135,000 sports and recreation con suggestions in kids 18 and under. the unreported number is much higher indeed. here s the problem. a hard hit can cause significant damage to the brain, they think. in fact, what they think is that it can actually rupture. the fibers of the brain can rupture against the inside of the skull. it can be very serious. and doctors believe that can lead to headaches, difficulty breathing, to i m sorry, difficulty concentrating, i should say, vision as well as balance problems, even as some people, depression and suicide. and so there is this movement now. in fact, ten states have the law that if a child shows any symptoms, in fact, not just a child, anybody, shows any symptoms at all of having a head injury on the field you take them out and then you continue let them rush back in until they have been fully evaluated