News item, March 16, 2015: San Francisco inside linebacker Chris Borland, 24, retires from the NFL after one season, concerned about the long-term effects of football and head trauma on his life.
News item, Oct. 13, 2015: An autopsy on the brain of former NFL linebacker Adrian Robinson, who committed suicide in May at age 25, finds evidence of degenerative brain disease chronic traumatic encephalopathy (CTE), according to researchers at Boston University’s CTE Center. CTE, found in those with a history of repetitive head trauma, has been discovered in the brains of 88 deceased former NFL players.