Massive audiences are tuning into the NFL playoffs with the Superbowl just three weeks away. At the same time, new medical evidence suggests the repeated physical blows some fans may relish leave players with traumatic brain damage.
Expected Hall of Fame linebacker Junior Seau committed suicide last may at the age of 43. Postumous studies have made him the most high-profile NFL player so far to be diagnosed with Chronic Traumatic Encephalopathy—or CTE… a finding that could lead to big changes in the NFL.