When the brain is injured, the body's reparative system calls in the "clean-up cells." Unfortunately, they clean indiscriminately, which can cause more damage.
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Posted on BrainLine October 25, 2012. Reviewed July 25, 2018.
Produced by Victoria Tilney McDonough, Ashley Gilleland, Justin Rhodes, and Erica Queen, BrainLine.
About the author: David Wright, MD, FACEP
David Wright, MD is a tenured associate professor in the Department of Emergency Medicine, Emory University, and the director of the division of Emergency Neurosciences.
