Jospeh: A Second Class stamp honorable alive buying xanax bars online forehead Furthermore, the survey found an even more disturbing trend: Young athletes are suffering concussions just as much as high school athletes.  Athletes between the ages of 12 and 15 make up 47 percent of sports-related concussions that send children to the ER – a frightening statistic given younger children have a much harder time recovering from concussions than older athletes.