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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.

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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.

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Stroke: do you know the symptoms & risk factors?

Each minute that ticks by after a stroke begins brings death to more brain tissue. Know the signs. A call for help could save a life. Read more here.

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