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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The Seattle Times: Health: New blood-pressure guidelines pay off High blood pressure: Chronology of drug development and sales The landmark study concluded that the newer blood-pressure drugs are less safe, High Blood Pressure Medication, Medicines - Drugs for HighBlood Drugs, medicines and medication for High Blood Pressure: Norvasc, Coreg, Benicar, Altace, Lasix, Cozaar, Avapro, Hyzaar, Micardis, Lopressor, Caduet, Blood Pressure Drug Telmisartan Shows Powerful Activity Against Telmisartan, a drug widely used to help control blood pressure, may have uniquely potent activity in preventing stroke, according to a new study conducted Cardiovascular & Circulatory System Health - Promote Normal Blood Natural Remedies to Maintain Normal Blood Pressure. (Hempel B, Kroll M, Schneider B. âœEfficacy and safety of a herbal drug containing hawthorn berries Medication for High Blood Pressure - Patient UK However, most people who take drugs to lower blood pressure do not develop any side effects, or only have mild side-effects. A full list of cautions and Johns Hopkins: Hypertension|Stroke on blood pressure medication Johns Hopkins Special Report on Hypertension|Stroke reviews common side effects of blood pressure medications. High Blood Pressure Medication Information by MedicineNet.com Here's a rundown on the main types of drugs and how blood pressure medications For more information, select the type of medication from the list below: Medications Information - Index of drug monographs produced by Find your topic by using the AZ list (select a letter - over 2500 common When blood pressure is reduced, the heart has an easier time pumping blood. Blood pressure medication - WebMD Learn about medications that can lower your blood pressure or treat On your medication calendar, you can list any changes in your medication dosages as Taking Medication for High Blood Pressure Here are some drugs used to treat high blood pressure. Your doctor may prescribe others. This list isn't all-inclusive. (The generic name is followed by the Blood Pressure Drug List List of drugs used for treating hypertension (high blood pressure) with links to drug information. |
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