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ScienceDaily (Nov. 14, 2011) — The brain scans of high school football and hockey players showed subtle injury — even if they did not suffer a concussion — after taking routine hits to the head during the normal course of play, according to a University of Rochester Medical Center study.

The research, reported online in the journal Magnetic Resonance Imaging, is preliminary, involving a small sample of athletes, but nonetheless raises powerful questions about the consequences of the mildest head injury among youths with developing brains, said lead author Jeffrey Bazarian, M.D., M.P.H., associate professor of Emergency Medicine at URMC with a special interest in sports concussions.

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