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Cholesterol and Stroke

Cholesterol and Stroke

Topic Overview

Cholesterol is a waxy substance necessary for all living tissue. The body manufactures most of the cholesterol it needs. Additional cholesterol is taken in from certain foods we eat.

Too much cholesterol in the blood is not healthy, because it can build up in the walls of arteries, causing the blood vessels to narrow (atherosclerosis). Narrowed blood vessels carry less blood and may increase a person's risk for a stroke or heart attack .

Lowering cholesterol levels in the blood makes good sense, especially for people who are at risk for a transient ischemic attack (TIA) or stroke . Diet changes and, if needed, drugs can be used to keep blood cholesterol at an acceptable level.

Treatment with cholesterol-lowering drugs called statins can slow the development of atherosclerosis in the carotid arteries for some people and may reduce the chance of having a TIA or stroke, especially for people who have a history of coronary artery disease . For more information, see the topic High Cholesterol.

If you have already had a TIA or a stroke, your doctor will likely recommend a statin to help prevent another stroke.

Credits

By Healthwise Staff
Primary Medical Reviewer E. Gregory Thompson, MD - Internal Medicine
Specialist Medical Reviewer Karin M. Lindholm, DO - Neurology
Last Revised January 3, 2013

This information does not replace the advice of a doctor. Healthwise, Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. How this information was developed to help you make better health decisions.

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