Washington: Clogged arteries or atherosclerosis that causes heart disease can bring on dementia by restricting blood flow to the brain.Dementia includes difficulty with thinking, reasoning and memory, and can be caused by vascular disease (related to blood vessels), Alzheimer`s disease, a combination of both and other causes.Atherosclerosis is a build-up of plaque in the arteries linked with elevated blood pressure, cholesterol, smoking and other risk factors. Alzheimer`s is a progressive brain disorder that destroys brain cells.
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