What is chronic traumatic encephalopathy?

Published On: May 06 2012 04:48:36 PM PDT   Updated On: Mar 17 2015 07:57:27 AM PDT

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.

Chris Benoit
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In 2007, WWE wrestler Chris Benoit had his brain examined after he killed his wife and son before committing suicide. Originally the tragedy was thought to be due to the abuse of anabolic steroids. However, a brain biopsy identified pathognomonic brain tissue changes of CTE.


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