Earlier this month, Plano, Texas, teen McCann Utu Jr. killed his mother and brother before killing himself. Friends and family think the tragedy might be linked to concussions the 19-year-old sustained in recent years, including at least one during a high school basketball game. Friends say the head injuries “changed” the teen. A recent study has found that concussions—even those that don’t cause severe brain injury—can triple suicide risk. Utu’s brain has been donated to scientists in order to further concussion research. Among teen athletes, concussions are startlingly widespread. More than 2,500 concussions occurred at North Texas middle and high school sports events last year.
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