Scientists aren't yet sure why, but having several concussions makes you more likely to develop a degenerative brain disease. In this video, Walter J. Koroshetz, MD, director of the NINDS, explains what this disease is and how it occurs.
Walter J. Koroshetz, M.D. is the Deputy Director of the National Institute of Neurological Disorders and Stroke at NIH. Dr. Koroshetz serves as co-chair of the NIH BRAIN Initiative. He was instrumental in establishing the NIH Office of Emergency Research. A native of Brooklyn, New York, Dr. Koroshetz graduated from Georgetown and received his medical degree from the University of Chicago.
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