![]() Excess weight increases the chances of high blood pressure, atherosclerosis and diabetes. Arteries become less flexible and more likely to be injured with age. The risk of carotid artery disease is higher if a relative has atherosclerosis or coronary artery disease. High levels of low-density lipoprotein cholesterol and high levels of triglycerides, a blood fat, help the buildup of plaques. Diabetes lowers the ability to process fats, creating a greater risk of high blood pressure and atherosclerosis. Smoking also increases heart rate and blood pressure. Nicotine can irritate the inner lining of the arteries. Too much pressure on artery walls can weaken them and make them easier to damage. ![]() Risk factorsįactors that increase the risk of carotid artery disease include: A clog in carotid arteries makes it hard for oxygen and nutrients to reach the brain. This process is called atherosclerosis.Ĭarotid arteries that are clogged with plaques narrow. Plaques are clumps that include cholesterol, fat and blood cells that form in the artery. Seeing a provider early increases your chances of finding carotid artery disease and getting treatment before a stroke occurs.Ī buildup of fatty deposits, known as plaques, in the arteries that send blood to the brain cause carotid artery disease. Managing the risk factors might protect you from a stroke. Talk to your health care provider if you have risk factors for carotid artery disease even if you don't have symptoms. Even if they last only a short while and then you feel OK, see a health care provider right away. Seek emergency care for any symptoms of a stroke.
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