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Research found two proteins rapidly appear in the blood following a blow or jolt to the head when a serious traumatic brain injury occurs.  Now there is a blood test that can identify whether the proteins are in the blood or not. With the blood test as a diagnostic tool, medical professionals can rule out more serious brain injuries while evaluating someone with a suspected concussion. (U.S. Air Force photo by Staff Sgt. Teresa J. Cleveland)

Research found two proteins rapidly appear in the blood following a blow or jolt to the head when a serious traumatic brain injury occurs. Now there is a blood test that can identify whether the proteins are in the blood or not. With the blood test as a diagnostic tool, medical professionals can rule out more serious brain injuries while evaluating someone with a suspected concussion. (U.S. Air Force photo by Staff Sgt. Teresa J. Cleveland)

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