Stroke
is a brain injury that occurs when the brain's blood supply is interrupted. Without oxygen and nutrients from blood, brain tissue starts to die rapidly, resulting in a sudden loss of function.
Transient ischemic attack
(TIA) refers to temporary brain dysfunction due to a shortage of blood and oxygen. It is sometimes referred to as a "mini-stroke." TIA is a serious condition that serves as a warning for a stroke.
People who survive a stroke often suffer serious, long-term disability. Stroke damage can result in paralysis, numbness, imbalance, and difficulty thinking and communicating. While there is no way to reverse the effects of a stroke, it is possible to regain some of the function lost during a stroke.
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