Concussion Symptoms: What You Need to Know
![What You Need to Know: Symptoms of Concussion](https://www.brainline.org/sites/default/files/styles/teaser_square/public/migrated/01143.jpg?itok=6ixawZj6)
Once someone receives a blow to the head, any number of signs can indicate a brain injury. It's also possible that there may not be any obvious indication at first. But most brain injuries do reveal symptoms that help people diagnose and treat brain injury. A brain injury can affect a person physically and psychologically, and sometimes the symptoms don't appear immediately.
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