Pertaining to the blood vessels and, especially, the arteries that supply the brain.
Brain damage introduction
Brain damage is an injury that causes the destruction or deterioration of brain cells.
In the U.S., every year, about 1.4 million people have some type of brain injury. And approximately 5.3 million people suffer from the effects of brain damage. About 50,000 die as a result of brain injury. Medical costs and lost productivity are estimated at between $48 billion and $60 billion per year.
What are the types of brain damage and how severe are they?
All traumatic brain injuries are head injuries. But head injury is not necessarily brain injury. There are two types of brain injury: traumatic brain injury and acquired brain injury. Both disrupt the brain's normal functioning.
Traumatic Brain Injury (TBI)
It is caused by an external force -- such as a blow to the head -- that causes the brain to move inside the skull or damages the skull. This in turn damages the brain.
An Acquired Brain Injury (ABI)
It occurs at the cellular level. It is most often associated with pressure on the brain. This could come from a tumor. Or it could result from neurological illness, as in the case of a stroke.
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