Explainer: What is a concussion? This severe type of head injury can damage a brain for weeks to years -- perhaps a lifetime.

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    • Subject Terms:
      HEAD injuries; BRAIN damage; TRAFFIC accidents; SPORTS injuries; MEMORY loss
    • Abstract:
      The article offers information on concussion. Topics discussed include concussion, head injury that damage brain for weeks to years; occurrence of concussion due to car accidents or athlete accidents; and symptoms of concussion such as forgetfulness, headache, dizziness, fuzzy vision and sensitivity to noise. It also mention about mechanism of damage to delicate nerve cells and the development of concussion.