How can cholesterol affect the brain?


High low-density lipoprotein (LDL) (bad) and low high-density lipoprotein (HDL) (good) cholesterol levels cause plaque to build up in your arteries, which slows blood circulation throughout your body—including your brain. That increases your risk of dementia up to 46 percent.

That makes managing your cholesterol a key strategy to prevent dementia and Alzheimer's disease. A heart-healthy diet, exercise, not smoking, and taking your cholesterol-lowering medication as prescribed will help lower your LDL cholesterol and boost your HDL. The lower your LDL cholesterol, and the higher your HDL (that's the good-guy kind that helps remove plaque from your arteries), the better your chances of dodging dementia and Alzheimer's disease.

Continue Learning about Cholesterol



We need cholesterol, a fatty, waxy substance because our cells use it to form the membrane -- a critical part of the cell. But because it is fatty, it does not dissolve in the blood, but is carried to your cells by certain protein...

s. We get concerned about cholesterol when there is too much of it, particularly when there is too much "Low-Density Lipoprotein" or LDL cholesterol. This type of cholesterol is one of the major risk factors for coronary heart disease. On the other hand, there is High-Density or HDL cholesterol, which is "good" cholesterol, and good levels of HDL are associated with less risk of stroke and heart attack.

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.