February 9, 2015
Hall of Fame running back Tony Dorsett, who was diagnosed with having signs of chronic traumatic encephalopathy in 2013, said he is "in a battle" and that he had no idea "that the end was going to be like this."
CTE is a degenerative condition many scientists say is caused by head trauma and is linked to depression and dementia. It is indicated by a buildup of tau, an abnormal protein that strangles brain cells in areas that control memory, emotions and other functions.
Dorsett was diagnosed along with Joe DeLamielleure and Leonard Marshall in November 2013 after undergoing brain scans and clinical evaluations at UCLA.
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