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In November 2014, a body of a missing Ohio State University football player was found in a dumpster in Columbus. The football player, Kosta Karageorge, had shot himself. Before his death, Karageorge texted friends and family, apologizing for being "an embarrassment" and saying that concussions had left his "head all fucked up." At the time, his mother said that Karageorge had suffered several concussions as a football player and wrestler, prompting speculation that the athlete's suicide was a result of his head injuries.

The New York Times reported Wednesday that a neurologist who examined Karageorge's brain discovered a protein associated with chronic traumatic encephalopathy, a degenerative brain disease found in many former football players who have experienced head injuries. Karageorge, according to the Times, had suffered 15 concussions in his lifetime.