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What experts know - and don't know - about the brain injury called CTE

Claudine Ward, MD, and Brian Rieger, PhDPeople with a degenerative brain injury called chronic traumatic encephalopathy, or CTE, have a history of repeated blows to the head. The condition is diagnosed through an autopsy of the brain, after a person has died. A cure is not available, even if CTE could be diagnosed while the person was still alive, say Claudine Ward, MD, left, and Brian Rieger, PhD, right, who direct the Upstate Concussion Center.