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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What is blood pressure? Aspirin is ineffective in preventing heart disease when the blood pressure is high. Is there a particular type of personality associated with high blood Health Report - 17/05/1999: Low Dose Aspirin in Prevention of There was a fear among doctors that taking low dose aspirin to prevent strokes You've also looked at high blood pressure and what it is about high blood High Blood Pressure and Aspirin for Heart Attacks - DrDonnica.com Recently I had my blood pressure checked at one of those mall kiosks and the nurse told me it was high, which increases my risk of heart attack. Johns Hopkins: Hypertension|Stroke on high blood pressure|aspirin Johns Hopkins Hypertension|Stroke Health Alert reports two research studies on the impact of high blood pressure on longevity. InteliHealth: Antacids or buffered aspirin may have a high salt content and can interfere with attempts to lower salt intake in the management of high blood pressure. High Blood Pressure Linked To Painkillers Most people with high blood pressure are unaware of their condition. NSAIDs such as ibuprofen and aspirin are also available over the counter and are THE ASPIRIN DEBATE REVISITED One of the three notes that low dose aspirin reduced heart attacks and strokes in older persons and in those with high blood pressure. Common painkillers linked to high blood pressure in women 16 â“ Women who consume higher doses of non-aspirin painkillers are much more likely to develop high blood pressure than women who do not use them, High Blood Pressure: Nightly Aspirin May Help Taking aspirin at night may help lower blood pressure more than taking aspirin in the morning, new research shows. Aspirin and High Blood Pressure If you have high blood pressure, you may be at increased risk for a heart attack or stroke. Aspirin and High Blood Pressure - Benefits Risks and Aspirin is common but powerful medicine for heart health. It provides significant protection against heart attacks and stroke, and has been shown to have |
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