Last week, a House committee heard testimony on the long-term impact of head injuries to football players.  So what does the evidence to show?  How much jarring does it take to leave a lasting condition?  Is there a connection to later diagnosis of dementia or Parkinson’s?  What can be done to reduce the likelihood of head injuries on the gridiron?  We ask Dr. Bennet Omalu, co-founder of the Brain Injury Research Institute.

 

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