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What is chronic traumatic encephalopathy?

POSTED: 4:48 PM May 06 2012   UPDATED: 10:57 AM Oct 25 2013

Quarterback Brett Favre recently opened up about some memory lapses, which be a sign of chronic traumatic encephalopathy. Find out more about this disease and some of the professional athletes who have suffered from it.

Brett Favre in baseball hat
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Rebecca Cook/Reuters

Quarterback Brett Favre told Sports Talk 570 in Washington that he can't remember his daughter participating in youth soccer one summer, even though she played several games. That, and other memory lapses, have worried him. For a former pro football player, memory lapses can be a sign of chronic traumatic encephalopathy.

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