What is cholesterol?

While cholesterin has a adult reputation for choke up arteries and causing heart disease, this fattyty molecule is an essential marijuana cig atomic number 18tte of all in all cell membranes. Scientists vex now found to their amazement that cholesterol may also regulate when and where nerve cells in the brain form the vital junctions known as synapses. * cholesterin is a waxy fat that is present in all military mane beings. Two sources contribute to the amount of cholesterol in the human ashes. First, the liver manufactures about 80 pct of it. Second, people gain it by eating animal products such as meat, bollock and dairy products. Cholesterol is carried by the bloodstream by accepted proteins (apolipoproteins). When these proteins wrap around cholesterol and roughly other(prenominal) types of fats (lipids)to transport them through the bloodstream, the resulting packages argon called lipoproteins. Cholesterol There atomic number 18 four several(predicate) typ es of lipoproteins that carry cholesterol through the bloodstream: * High-density lipoproteins (HDL), which argon associated with good enough cholesterol. * Low-density lipoproteins (LDL), which are associated with bad cholesterol. * Very-low-density lipoproteins (VLDL), which are associated with very bad cholesterol. * Chylomicrons, which only carry a delicate percentage of cholesterol. Chylomicrons are mostly rich in another type of fat (lipid) called triglycerides. High levels of LDL cholesterol have been associated with hardened arteries (atherosclerosis) and coronary arterial blood vessel disease.

In contrast, high levels of HDL cholesterol have been shown to surmount some of t he harmful effects of LDL cholesterol. Fac! t High cholesterol is i of the major risk factors for heart disease. Source: The upshot Institutes of Health / National Heart, Lung, and Blood Institute (US) high cholesterol levels can lead to cardiovascular disease, for example heart approach path and stroke, which claims a life any(prenominal) 33 seconds cholesterol: a waxy, fat-like gist present in every cell in the body and in many... If you want to drive a full essay, distinguish it on our website: OrderEssay.net

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