LOS ANGELESActor Will Smith, a self-described "football dad," felt conflicted about starring in the new film "Concussion" as a doctor who discovered brain trauma was a factor in the deaths of some former National Football League (NFL) players.
Smith plays Dr. Bennet Omalu, the pathologist who, more than 10 years ago, first linked brain damage to the deaths of men who made careers playing the most popular U.S. sport. The actor said on Tuesday that before meeting Omalu, he had not known the full dangers of the head injuries football player ...
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