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Here’s what happens to your brain when you get a concussion

  • Concussions can be extremely damaging, and they are more common than you might think. 
  • Common symptoms of a concussion include headache, imbalance, memory loss, and a change in vision or hearing. 
  • Watch the video above to see what happens in the brain during a concussion. 
  • Visit Business Insider's homepage for more stories. 

EDITOR'S NOTE: This video was originally published on January 28, 2015.