A stroke occurs when the blood supply to part of the brain is interrupted or reduced, depriving brain tissue of oxygen and nutrients. This can cause brain cells to die within minutes. There are two main types of stroke: ischemic stroke (caused by a blood clot) and hemorrhagic stroke (caused by bleeding in the brain). Recognizing the signs of stroke and seeking immediate medical attention is crucial, as timely treatment can minimize brain damage and disability. According to the World Health Organization, stroke is a leading cause of disability worldwide. [https://www.who.int/news-room/fact-sheets/detail/stroke]
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Last Updated: July 5, 2025
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