What is chronic traumatic encephalopathy?

Published On: May 06 2012 04:48:36 PM PDT   Updated On: Jul 08 2014 05:40:55 AM PDT

The NFL has reached a preliminary settlement in a lawsuit filed over player concussions. Find out more about chronic traumatic encephalopathy, the disease several former NFL pros claim they are now suffering from due to hits on the field.

Stem cell research
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Researchers say CTE has a clear environmental cause (repeated brain trauma) rather than a genetic cause. In other words, CTE is the only preventable form of dementia.

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