What is Low-Density Lipoprotein or LDL Cholesterol? Facts About Low-Density Lipoprotein or LDL Cholesterol
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What is Low-Density Lipoprotein or LDL Cholesterol? Facts About Low-Density Lipoprotein or LDL Cholesterol

What is Low-Density Lipoprotein or LDL Cholesterol? Facts about Low-Density Lipoprotein or LDL.

LDL stands for Low density lipoprotein which is considered as a bad cholesterol. Cholesterol is waxy kind of natural steroid found in all mammals, plants and even in fungi. Cholesterol is an insoluble substance and normally synthesized by the liver. Nearly 80% of cholesterol is produced by liver, while rest of the 20 % we get from our diet. The maximum amounts of cholesterol we get from animal foods such as meats (liver, squid, shrimp, lamb, beef, ham, egg) poultry and fish. Dairy products (ice cream, whole milk, cheese, yogurt) are also important sources of dietary cholesterol. Liver plays the important role of regulating cholesterol levels. Liver releases cholesterol according to the body’s requirements.

Basically cholesterol is a fatty substance that provides support in the membranes of our body’s cells. Cholesterol, in general, is not a bad thing. Rather it’s important for the body functions. Cholesterols are insoluble substances and lipoproteins carry these cholesterols where they need to go. Lipoproteins are the molecules or proteins that have a lipid component and the principal means for transporting lipids in the blood. LDL or low density lipoprotein is one of the members of lipoprotein family.

The structure of LDL or low-density lipoprotein makes it bad for the health and especially for the cardiovascular health. Our body produce the adequate amounts of LDL which it needs for transporting cholesterol from the liver to the body cells. So, it is not important to gain it from the diet. The problem is the chemical makeup of LDL is so harmful that excessive amounts of it can cause severe health problems. LDL is a lipoprotein that is composed of moderate amount of protein and a large amount of cholesterol. Elevated amounts of LDL can be the cause of atherosclerosis- which is the condition of narrowing arteries. Oxidized LDL cholesterol creates plaque in the artery wall, narrows the artery and slowly blocks the artery. Oxidization of LDL occurs mainly because of smoking, trans fat diet, diabetes and metabolic syndrome.

Accumulation of LDL increases the chances of coronary heart disease, stroke and peripheral artery disease or PAD. PAD is all about narrowing of the peripheral arteries and quite similar to coronary artery disease (CAD) and carotid artery disease.

By lowering LDL cholesterol levels the chances of atherosclerosis, coronary heart disease and heart attack can be prevented. Low amounts LDL in the blood reduce the chances of accumulation of plaques, unwanted blood clots and narrowing the arteries.

LDL cholesterol can be lowered by using drugs or having a healthy lifestyle including good diet and exercise. Fresh fruits and green vegetables, whole grain foods, fish are good foods for lowering LDL cholesterol. At the same time, intake of red meat, eggs, and cheese or any whole milk product should be taken in the moderate amounts. Statins are a class of drugs that are most commonly to lower LDL cholesterol.









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You have done an excellent research and presentation on this article.