What Is It?

Published: January, 2019

A concussion is a short-term disturbance in brain function caused by a head injury. A concussion often causes:

  • Confusion, headache or dizziness
  • Loss of consciousness lasting less than 30 minutes or no loss of consciousness at all
  • Loss of memory (amnesia) lasting less than 24 hours

Most head injuries happen during motor vehicle accidents, falls, sports and assaults. Alcohol and drug use can be major contributing factors.

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