Point still remains that it's the same population though (football players who have died), so it's fair to compare.
players that have died since the study started. Of those 1400, 111 sent their brains in. Those are self selected.
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Therefore, we know for a fact, that the minimum number of dead football players with CTE, in this population, is 9%.
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What they don't know is how much higher that number will climb, because they can't test the other brains.
Fin de la conversation
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