Comment: Causes of Strokes

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Causes of Strokes

Causes of Strokes
A clot that cuts off blood flow to a part of the brain is the most common cause. Plaque material or pieces of blood clots that travel to the brain are other common sources.

Overall, the chief cause of strokes are related to hardening of the arteries, which allows fatty deposits to accumulate inside the arteries causing a cascade of injury to the vessel walls eventually leading to clots that form inside the blood vessels. The slow development of atherosclerosis, which decreases blood flow to the brain, results in shrinkage of the brain and the development of dementia. A stroke can also result from bleeding or from a busted blood vessel in the brain as the result of high blood pressure.

Most CVAs are the result of atherosclerosis, hypertension or a combination of both.