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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Medical Glossary - NHS Direct Antihypertensive: Antihypertensive medicine reduce high blood pressure (hypertension). Anti-inflammatory: Anti-inflammatory medicines reduce swelling and Cartia Xt - drugstore.com. Low prices, side effects, interactions. Laboratory and/or medical tests, including blood pressure checks, sensitive to the effects of the medicine, especially swelling of the ankles, feet, Possible Side Effects of Drugs That Lower Blood Pressure Learn about possible side effects of blood pressure medicine. vessel dilators â” Hydralzine (Apresoline) may cause headaches, swelling around the eyes, Adalat (Nifedipine), BestDrugsNow.com - online pharmacy. This medicine is a calcium channel blocker used to treat high blood pressure. this medicine, carefully brush and floss your teeth to reduce swelling Preeclampsia and eclampsia | Encyclopedia of Medicine | Find Preeclampsia and eclampsia from Encyclopedia of Medicine in Health provided In preeclampsia, the woman has dangerously high blood pressure, swelling, Family, Internal Medicine, General Medical Questions: Swelling Hi Andrea, I do not believe that this is due to high blood pressure. Internal Medicine, General Medical Questions > Swelling, painful, tingling, ACE Inhibitors for Blood Pressure Management - Blood Pressure Difficult breathing; Chest pain; Swelling of the feet or hands; Swelling of the face, Check your blood pressure and pulse rate daily and keep a log. How Do Blood Pressure Medicines Differ? These medicines relax the blood vessels, thus lowering blood pressure. Side effects, which vary depending on the medicine, include ankle swelling, MedlinePlus Medical Encyclopedia: Foot, leg, and ankle swelling Painless swelling of the feet and ankles is a common problem, particularly in sometimes called toxemia, that includes high blood pressure and swelling Optic Nerve Swelling (Papilledema) | myLifetime.com Follow your doctor's instruction to control high blood pressure, and never skip doses of blood pressure medicine unless your doctor instructs you to do so. |
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