Aaron Hernandez’s brain was ‘severely impacted’ by CTE when he killed himself

Boston • A researcher says Aaron Hernandez suffered severe damage to parts of the brain that play an important role in memory, impulse control and behavior.The 27-year-old former New England Patriots player himself in April, while serving life in prison for murder.Dr. Ann McKee of the CTE Center at Boston University presented the findings of her examination of Hernandez's brain on Thursday.McKee says she could not say that Hernandez's behavior was a result of his severe case of chronic trau