Researchers are working on several ways to reduce players’ risk of head injuries, from designing better helmets to using sensors and computer tests to assess the severity of a hit and determine when to remove a player from the field. Check out the ABC News story on safer football helmets here. Research by the Brain Injury Association has found that high school football players have a 20 percent risk of a brain injury during their four-year careers. Check out my earlier post on football players and concussions here.