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Football and Brain Damage: Evidence of a Link Mounting

Stockbyte/Thinkstock(NEW YORK) -- New research is strengthening the link between long-term brain damage and playing football.

ESPN and PBS' Frontline are working on a documentary and report that scientists have discovered 28 new cases of chronic brain disease in football players who have died -- 15 of them, former NFL players.

One researcher says the sheer volume of cases proves no one can deny there's a problem.

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