A couple of weeks ago, eight-year-old Liam Ramsay-Leavitt of Martinez, Calif., was swinging on the monkey bars at school. "And then I just fell on my side," he says. "I was kind of dizzy and I had an ...
John J. Leddy, MD, (left) is clinical professor of orthopaedics and director of the Concussion Management and Research Center at UBMD Orthopaedics and Sports Medicine, and M. Nadir Haider, MD, PhD, is ...
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