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Brain injury may be autoimmune phenomenon, like multiple sclerosis

A new study suggests that brain injury from repeat blows to the head ? observed among football players and soldiers ? might not be a traumatic phenomenon, but an autoimmune phenomenon. It indicates that brain injury may be the result of an out-of-control immune response, much like multiple sclerosis. This is an entirely new way of thinking about how trauma could cause long term degeneration and opens the door to investigating a vaccine/drug to prevent head trauma.
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