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Concussion, a traumatic brain injury

Concussion, a traumatic brain injury

At a Glance: 1. What is a concussion? 2. What are the signs and symptoms? 3. How serious are concussions? 4. What causes a concussion? 5. How common are concussions? 6. Who are at risk? 7. How is a concussion diagnosed? 8. How is a concussion treated? 9. What are the...