When we think of cholesterol damaging the arteries, we usually think of the heart, but we also have arteries that lead to the brain. If these vessels become stiff and narrow as a result of plaque buildup, it becomes significantly harder for blood to flow into your brain.
This may lead to a stroke, which occurs when there is a disrupted supply of blood to the brain. A restricted blood flow deprives brain tissue of the oxygen and nutrients it needs to work properly. A stroke can result in lasting brain damage, and some are even fatal.

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