A new report finds chronic traumatic encephalopathy (CTE) in 110 of 111 brains of deceased former NFL players. The study adds to a growing body of knowledge about the connection between contact sports and brain-damaging concussions. We talked with Steve Broglio , director of the NeuroTrauma Research Laboratory at the University of Michigan. We continued our look at concussions in football with Steve Broglio and former Atlanta Falcons linebacker Buddy Curry , who is working to improve football