Sports Illustrated: Rethinking concussions, technology to broaden the picture

How do you solve a problem like concussions in sports? Fears over the short- and long-term health effects of head impacts in collision sports have already led to rule changes, lawsuits, and decreased youth participation in football and hockey. Last month, a scientific study turned the spotlight onto baseball, concluding that major league players returning to action after having suffered a concussion performed statistically worse at the plate.