More Than 40 Percent of Retired NFL Players Had Brain Injury

More than 40 percent of retired National Football League (NFL) players in a recent study had signs of traumatic brain injury based on sensitive MRI scans called diffusion tensor imaging, according to a study released today that will be presented at the American Academy of Neurology’s 68th Annual Meeting in Vancouver, Canada, April 15 to 21, 2016.2012-12-16 11.24.44   “This is one of the largest studies to date in living retired NFL players and one of the first to demonstrate significant