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How lethal are strokes?

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Quick Answer

Almost 6 million people die each year around the world as a result of having a stroke, according to the World Heart Foundation. Those people who do not die as a result of having a stroke often suffer from illnesses that lead to permanent disabilities, such as, loss of vision, paralysis, blindness and dementia.

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Full Answer

Strokes occur when the brain's blood supply is blocked or when blood vessels within the brain rupture, as reported by the World Heart Foundation. Without a steady flow of oxygenated blood to the brain, cell damage or permanent cell death is certain. Experiencing certain warning signs, such as vision problems, dizziness, severe headaches, confusion and weakness in the extremities may mean that a stroke is going to occur.

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