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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High blood pressure and obesity Many medical studies have shown a relation between obesity and high blood pressure. In fact, obese people have a higher blood pressure than people with a Obesity Blood Pressure Health Risk Obesity, especially central obesity, is an important risk factor for high blood pressure. The prevalence of hypertension increases with the degree of Heart and Vascular Disease Information for Patients and the Public Contains health information on heart diseases for patients and the public, topics include high blood pressure, cholesterol, obesity, heart attacks, PAD, Cardiovascular Information for Health Care Professionals, NHLBI Contains cardiovascular health information for professionals, topics include high blood pressure, cholesterol, obesity, heart attacks, BMJ BestTreatments :: Conditions :: Obesity :: High blood pressure High blood pressure and obesity. When doctors measure your blood pressure, they describe it using two numbers. If the first number is above 140 or the Obesity and blood pressure Does the bodyâ™s synthesis of certain substances affect the relationship between obesity and blood pressure? The number of overweight Americans has reached Obesity and blood pressure Contact: Donna Krupadjkrupa1@aol.com703-527-7357American Physiological SocietyDoes the body's synthesis of certain substances affect the relationship Health & obesity. Obese statistics in UK What the Blood Pressure Association (BPA) says:. The UK statistics on obesity demonstrate the urgent need for action:. - Around 1 in 5 adults are obese; Obesity leads to high blood pressure in the young It takes about 10 years for high blood pressure in young people to develop after they become overweight, and obesity is on a steady upward climb in the Happiness 'can help cut blood pressure and obesity' | the Daily Mail Happy people have lower levels of a key stress hormone in their body, cutting the risk of high blood pressure, obesity and a poor immune system, |
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