More research is needed to determine if subconcussive blows — repetitive hits to the head not diagnosed or suspected as concussions — are deleterious.
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Produced by Noel Gunther, Brian King, and Michael Yoswa, BrainLine.
About the author: Julian Bailes, MD
Julian Bailes, MD is a founding member of the Brain Injury Research Institute and professor and chairman of the Department of Neurosurgery, West Virginia University School of Medicine. He is a recognized leader in the field of neurosurgery and the impact of brain injury on cognitive function.