concussion is a type of traumatic brain injury that is caused by a blow to the head or body, a fall, or another injury that jars or shakes the brain inside the skull. Although there may be cuts or bruises on the head or face, there may be no other visible signs of a brain injury.
You don't have to pass out (lose consciousness) to have a concussion. Some people will have obvious
symptoms of a concussion, such as passing out or forgetting what happened right before the injury. But other people won't. With rest, most people fully recover from a concussion. Some people recover within a few hours. Other people take a few weeks to recover.
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In rare cases, concussions cause
more serious problems. Repeated concussions or a severe concussion may require
surgery or lead to long-lasting problems with movement, learning, or speaking.
Because of the small chance of permanent brain problems, it is important to
contact a doctor if you or someone you know has symptoms of a concussion.
What causes a concussion?
Your brain is a soft organ that is surrounded by spinal fluid and
protected by your hard skull. Normally, the fluid around your brain acts like a
cushion that keeps your brain from banging into your skull. But if your head or
your body is hit hard, your brain can crash into your
skull and be injured.
There are many ways
to get a concussion. Some common ways include fights, falls, playground
injuries, car crashes, and bike accidents. Concussions can also happen while
participating in any sport or activity such as football, boxing, hockey,
soccer, skiing, or snowboarding.
What are the symptoms?
It is not always easy to know if someone has a
concussion. You don't have to pass out (lose consciousness) to have a concussion.
of a concussion range from mild to severe and can last for hours, days, weeks,
or even months. If you notice any symptoms of a concussion, contact your
Symptoms of a concussion fit into four main categories:
Young children can have the same symptoms of a concussion as older children and adults. But sometimes it can be hard to tell if a small child has a
concussion. Young children may also have symptoms like: