Out of 202 deceased former football players total -- a combination of high school, college and professional players -- CTE was neuropathologically diagnosed in 177, the study said. The disease was identified in 110 out of 111 former NFL players. It was also found in three of the 14 high school players and 48 of the 53 college players. The study included brains of individuals who have been publicly confirmed to have had the disease, including Ken Stabler, Kevin Turner, Bubba Smith and Dave Duerson.
"The medical and scientific communities will benefit from this publication and the NFL will continue to work with a wide range of experts to improve the health of current and former NFL athletes," the NFL told CNN in a statement, noting that "there are still many unanswered questions relating to the cause, incidence and prevalence of long-term effects of head trauma such as CTE."
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