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96% of NFL players studied show brain disease

Chronic traumatic encephalopathy, or CTE, has been identified in 87 of 91 deceased players examined by researchers.

Football players on Oct. 27, 2013 in Minneapolis, Minn. (Photo by Hannah Foslien/Getty)
Football players on Oct. 27, 2013 in Minneapolis, Minn.Getty Images

Jacob Pramuk