More and more research is proving that repetitive shaking of the brain or hits to the head whether from combat or contact sports can often result in long-term neurological decline.
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Produced by Vicky Youcha, Ashley Gilleland, Justin Rhodes, and Erica Queen, BrainLine.
About the author: Richard Ellenbogen, MD, FACS
Richard Ellenbogen, MD is a University of Washington professor and chairman of the Department of Neurological Surgery. He is chief and attending of neurological surgery, Harborview Medical Center and the co-chair of the NFL's Head, Neck, and Spine Committee.