If the brain is a central computer that controls all the functions of the body, then the nervous system is like a network that relays messages back and forth to different parts of the body. Find out how they work in this Body Basics article.
In a concussion, the brain shifts inside the skull. This can cause a sudden - but usually temporary - disruption in a person's ability to function properly and feel well. Here's what to do if you suspect a concussion.
How can you tell if you have a concussion? What should you do? And what's going to happen with sports and school? The facts are all on this site for teens.
Alex plays high school football, track, basketball, and lacrosse. He's had two concussions. Here, he talks about his experience and what he learned.
All body parts take time to heal, even brains.This article for teens has tips on what doctors often recommend to help people heal from a concussion.
A concussion can affect you at school because it's a type of brain injury. Doing schoolwork and being in a classroom can sometimes make things worse. Here's what to know about school and concussions.
As long as people play sports, there will be concussions from time to time. Find out how to protect yourself and what to do if you get a concussion playing sports.