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A stroke occurs when blood flow to part of the brain is cut off. A harsh reminder that timing is everything.

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Most strokes are ischemic (a blocked artery), starving brain tissue of oxygen and glucose; hemorrhagic strokes involve bleeding in or around the brain. Neurons can begin dying within minutes without adequate blood flow. Fast treatment is crucial—hence “time is brain.”

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A stroke occurs when blood flow to part of the brain is cut off. A harsh reminder that timing is everything. | SmartAss Facts