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Boxing, Mixed Martial Arts Linked To Memory Loss In 9 Years

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Sonny Liston, right, works in close during against Muhammad Ali (Cassius Clay) on Feb. 25, 1964.
Sonny Liston, right, works in close during against Muhammad Ali (Cassius Clay) on Feb. 25, 1964.

Ten years later, Ciancaglini was on track to become a middleweight champ himself. But repeated blows to the head, and failure to give his brain time to recover, caused constant headaches, confusion and memory loss. Ciancaglini retired from the ring at the age of 20.

Read the whole story at ABC News

 
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