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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When Treating High Blood Pressure, Simplicity is Best, Study Suggests 9, 2007) â” A simplified, step-care protocol for treating high blood pressure was more effective than guidelines-based practice in helping people reduce Imperial College London - Imperial study influences national An Imperial study has significantly influenced new clinical guidelines for the treatment of patients with high blood pressure. Diabetes Education and Research Center: New Blood Pressure (More information about the blood pressure guidelines and lifestyle recommendations, including eating plans, can be found here.) The new blood pressure guidelines: A digest -- GLICK 135 (5): 585 On the basis of new trials and observational studies, and the need for clear and concise guidelines, the JNC implemented changes in blood pressure British Hypertension Society Nurse checking blood pressure The British Hypertension Society has a track record of producing internationally renowned guidelines for the management of Practice Guidelines - July 15, 2003 - American Family Physician Practice Guidelines. NHLBI Releases New High Blood Pressure Guidelines Classification and Management of Blood Pressure in Adults 18 Years or Older Revised Blood Pressure Guidelines Put Millions in New Category Under new National Heart, Lung, and Blood Institute guidelines, blood pressure readings are regarded as normal only if they are lower than 120 over 80. Measuring Blood Pressure, what the numbers mean. The levels for diagnosing and for treating high blood pressure are taken from the 2004 British Hypertension Society (BHS) guidelines for managing high blood High Blood Pressure (Hypertension) - Patient UK However, current UK guidelines suggest that this level is too high for certain groups of people. Treatment to lower your blood pressure if it is 130/80 mmHg New 2007 guidelines for the management of high blood pressure The release of the 2007 recommendations for the management of hypertension (high blood pressure). The Seventh Report of the Joint National Committee on Prevention This interactive guideline tool will assist the clinician in implementing the JNC 7 High Blood Pressure Guidelines at the point of care. The Seattle Times: Health: New blood-pressure guidelines pay off Then a medical panel published new guidelines for treating high blood pressure, and her doctor tried her on three different pills. New High Blood Pressure (Hypertension) Guidelines New High Blood Pressure (Hypertension) Guidelines. US guidelines say blood pressure of 120/80 mm Hg is not "normal New US guidelines on hypertension take a stronger approach, reclassifying "high normal" blood pressure as "pre-hypertension" and calling for aggressive The Seventh Report of the Joint National Committee on Prevention Contains NHLBI clinical guidelines for asthma, cholesterol and Prevention, Detection, Evaluation, and Treatment of High Blood Pressure (JNC 7) Blood Pressure Guidelines - High Blood Pressure (Hypertension) and Clinical practice guidelines were issued for the prevention, detection, and treatment of high blood pressure by the National Heart, Lung, and Blood New high blood pressure guidelines say start early, treat aggressively New recommendations for tighter control of high blood pressure may drastically reduce the number of individuals who die each year from hypertension-related |
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