![]() Understanding why some people have high cholesterol numbers and others don’t isn’t as simple as it might seem. Why Are Some People More Likely Than Others to Have High Cholesterol? These symptoms typically occur in those with a family history of high cholesterol, according to the NHLBI. ![]() Symptoms include fatty bumps on your skin, most often on the elbows, joints, hands, feet or buttocks, and grayish-white rings around the corneas of the eyes. This is because it is not common to have symptoms, unless you have very high levels of cholesterol. Most people won’t know they have high cholesterol unless they get a blood test for cholesterol levels. Over time, this narrows the arteries and raises the risk of heart attack, stroke, and peripheral artery disease, notes the AHA.Ī high level of triglycerides - the most common type of fat in your body - can also lead to fatty buildups in your arteries and increase your risk of heart attack and stroke, if combined with high LDL or low HDL cholesterol levels, per the AHA. A research review published in the journal Cell states atherosclerosis starts with an accumulation of LDLs and some triglyceride-rich lipoproteins in the innermost layer of an artery. LDL is termed “bad” cholesterol because when there is too much of it circulating in the blood (more than the good HDL scavengers can scoop up and ferry away), it can eventually build up in the form of plaque on the walls of your arteries. HDL cholesterol has been labeled “good” cholesterol because it removes some LDL cholesterol from the arteries and takes it to the liver, where it can be broken down and removed from the body, according to the AHA. This includes high-density lipoproteins (HDL), or “good” cholesterol, and low-density lipoproteins (LDL), also called “bad” cholesterol. Types of Cholesterol and How They Work in Your BodyĬholesterol is carried through the circulatory system on two lipoproteins, particles made of both fat and proteins which transfer cholesterol from the bloodstream to the cells. Though some experts dispute the direct link between high blood cholesterol levels and cardiovascular disease (CVD), major organizations like the National Heart, Lung, and Blood Institute (NHLBI) maintain that high blood cholesterol levels play a role in the development of conditions such as atherosclerosis, carotid artery disease, coronary artery disease, heart attack, stroke, peripheral artery disease, and sudden cardiac arrest. ![]() Because the typical Western diet is loaded with these foods, rising cholesterol levels have led the way to an epidemic of health problems linked to high cholesterol, says Trejo Gutierrez, MD, a cardiologist with the Mayo Clinic in Jacksonville, Florida. Other foods, such as palm oil, palm kernel oil, and coconut oil, contain saturated fat that can increase so-called “bad” cholesterol.įor some people, these foods represent a major source for increasing blood cholesterol. But they also tend to be high in saturated and trans fat and trigger the liver to make more cholesterol. ![]() Dietary sources of cholesterol are primarily animal products and include: But you can also get cholesterol in the foods you eat. Your body makes all the cholesterol it needs in your liver. Cholesterol is a waxy substance that your body needs to build cells and manufacture vitamins and other hormones, according to the American Heart Association (AHA).
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