The cerebrovascular disease - Any disease affecting an artery in, and supplying blood to, the brain: for example, atherosclerosis (narrowing of the arteries) or defects or weaknesses in arterial walls causing aneurysm (a balloon-like swelling in an artery).
The disease may eventually cause a cerebrovascular accident, which commonly leads to a stroke. Extensive narrowing of blood vessels throughout the brain can be a cause of dementia.
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