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Thread: What exactly is a concussion?

  1. #1

    Join Date
    Nov 2011
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    What exactly is a concussion?

    Just wondered from a medical standpoint.

  2. #2
    Junior Member
    Join Date
    Feb 2012
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    21
    A concussion is a type of traumatic brain injury, or TBI, caused by a bump, blow, or jolt to the head that can change the way your brain normally works.

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