Hunter Hillenmeyer, a former Chicago Bear and now a concussion advocate, and Dr. Joshua Blomgren, sports medicine physician at Midwest Orthopaedics at Rush (MOR), talk with ABC7's Linda Yu, about the signs and symptoms of concussions and the importance of reporting concussions in youth athletes. Hillenmeyer and the physicians at MOR will be discussing concussions and other youth injury prevention tips at seminars at three Chicago-area high schools: Hinsdale Central, Naperville North and Oak Park/River Forest.

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