Medical scientists and the military are looking into whether Robert Card’s psychological collapse was linked to brain damage from his role as a grenade instructor.
Medical scientists and the military are looking into whether Robert Card’s psychological collapse was linked to brain damage from his role as a grenade instructor.
Chris Nilan fought more than 300 times during a pro hockey career, then had years of addiction and anger problems. A high-risk candidate for chronic traumatic encephalopathy, Nilan is being studied by Boston University.