A concussion is a traumatic brain injury caused by a blow to the head or by a jolt to the body that jars your head. It affects your ability to think and remember things.
Because concussions are a common type of injury in sport, it's important to be aware of the symptoms and treatment.
Athletes should not return to play or any other physical activity if they suspect a concussion.
If you think that you or your child may have a concussion, see a doctor immediately.
There are steps you can take to minimize the possibility of a concussion.