The Center for Disease Control and Prevention (CDC) defines a concussion as a type of traumatic brain injury—or TBI—caused by a bump, blow, or jolt to the head or by a hit to the body that causes the head and brain to move rapidly back and forth. This sudden movement can cause the brain to bounce around or twist in the skulltrazer-concussion, stretching and damaging the brain cells and creating chemical changes in the brain.

Most people with a concussion have a good recovery from symptoms experienced at the time of the injury. But for some, symptoms can last for days, weeks, or longer. In general, recovery may be slower among older adults, young children, and teens. Those who have had a concussion in the past are also at risk of having another one and may find that it takes longer to recover if they have another concussion.

It is important to know the general signs and symptoms of a concussion (listed below). For more comprehensive information, The Centers for Disease Control (CDC) offers resources about concussions.

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