Concussion: Symptoms, Diagnosis, and Treatment

We've all heard of concussions and know they can be serious, but what is a concussion, really? And how can you tell if you, or someone else, has a concussion? Watch as Jeff Upperman, a Red Cross Scientific Advisory Council member, talks about what they are, common symptoms and signs, what to do immediately and when to seek concussion treatment for yourself, a friend or family member.
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