What is Cholesterol?Cholesterol is a sterol (a combination steroid and alcohol). Cholesterol is a lipid found in the cell membranes of all tissues, and it is transported in the blood plasma of all animals. Because cholesterol is synthesized by all eukaryotes, trace amounts of cholesterol are also found in membranes of plants and fungi.The name originates from the Greek chole- (bile) and stereos (solid), and the chemical suffix -ol for an alcohol, as researchers first identified cholesterol in solid form in gallstones by Francois Poulletier de la Salle in 1769. However, it is only in 1815 that chemist Eugene Chevreul named the compound "cholesterine".[2]Most of the cholesterol is synthesized by the body and some has dietary origin. Cholesterol is more abundant in tissues which either synthesize more or have more abundant densely-packed membranes, for example, the liver, spinal cord and brain. It plays a central role in many biochemical processes, such as the composition of cell membranes and the synthesis of steroid hormones. Cholesterol is insoluble in blood, but is transported in the circulatory system bound to one of the varieties of lipoprotein, spherical particles which have an exterior composed mainly of water-soluble proteins. The main types, low-density lipoprotein (LDL) and high-density lipoprotein (HDL) carry cholesterol from and to the liver.According to the lipid hypothesis, abnormally high cholesterol levels (hypercholesterolemia) and abnormal proportions of LDL and HDL are associated with cardiovascular disease by promoting atheroma development in arteries (atherosclerosis). This disease process leads to myocardial infarction (heart attack), stroke and peripheral vascular disease. As high LDL contributes to this process, it is termed "bad cholesterol", while high levels of HDL ("good cholesterol") offer a degree of protection. The balance can be redressed with exercise, a healthy diet, and sometimes medication. |
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Pauling Therapy, Alternative Cholesterol Treatment, High Blood Saveyourheart.com offers alternative treatments (Pauling Therapy) for heart conditions like blood pressure, arterial plaque and cholesterol. Blood Pressure Monitoring at Home -- familydoctor.org Diastolic pressure is the lowest pressure in an artery when your heart is at rest. Blood pressure measurement is made up of both the systolic and the Critical Care | Full text | Peripheral arterial blood pressure Peripheral arterial blood pressure monitoring adequately tracks central arterial blood pressure in critically ill patients: an observational study Arterial Blood Pressure Monitoring: An Introduction This article presents an introduction to one such type of invasive monitoring: the intra-arterial line, which measures blood pressure. Arterial Hypertension Determined By Ambulatory Blood Pressure Arterial Hypertension Determined By Ambulatory Blood Pressure Profiles: Contribution To Microalbuminuria Risk In A Multicenter Investigation In 2105 Arch Ophthalmol -- Abstract: Blood Pressure, Arterial Stiffness Blood Pressure, Arterial Stiffness, and Open-angle Glaucoma. The Rotterdam Study. Caroline A. A. Hulsman, MD, PhD; Johannes R. Vingerling, MD, PhD; Control of Arterial Blood Pressure autonomic nervous system, capillary fluid shift, hormonal mechanisms. Arterial blood pressure When arterial pressure is measured using a sphygmomanometer (i.e., blood pressure cuff) on the upper arm, the systolic and diastolic pressures that are Artery - Wikipedia, the free encyclopedia Over time, elevated arterial blood sugar (see Diabetes Mellitus), lipoprotein cholesterol, and pressure, smoking, and other factors are all involved in Taking a blood pressure In addition to the other damage it causes, nicotine in cigarettes constricts arterial blood vessels, increasing blood pressure and your chances of Blood pressure - Wikipedia, the free encyclopedia Arterial blood pressure (BP) is most accurately measured invasively. Invasive arterial pressure measurement with intravascular cannulae involves direct |
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