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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Lowering Blood Pressure Below "Normal" Values May Benefit Diabetic Lowering Blood Pressure Below "Normal" Values May Benefit Diabetic Patients. A research team from Sydney, Australia has found that diabetic patients with High Blood Pressure (Hypertension) - Symptoms, Causes, Diagnosis Scientists have determined a normal range for both systolic and diastolic blood pressure after examining the blood pressure of many people. High Blood Pressure: Heart and Blood Vessel Disorders: Merck People who have normal blood pressure at age 55 have a 90% risk of developing high blood When blood pressure is checked, two values are recorded. Normal Blood Pressure Rate in Children - What is the normal blood Blood pressure is how hard the blood is flowing against the walls of blood vessels in the body. It is good to be asking about normal blood pressure values All about high blood pressure High blood pressure, or hypertension, means that the systolic or diastolic pressure or both are above the normal range. A reading above 140/90 mmHg is Blood Vessels Blood pressure values. There is no such value as a 'normal' blood pressure for the population as a whole; there is a usual or 'normal' value for any Hypertension - Patient UK Measuring blood pressure5,6. All adults should have their BP measured, at least every 5 years up to the age 80. Those with high normal values What is blood pressure? If you are being treated for high blood pressure, you still have high blood pressure even if you have repeated readings in the normal range. eMJA: Ambulatory blood pressure monitoring Normal blood pressure values for adults are < 135/85 mmHg for daytime, < 120/75 mmHg for night-time, and < 130/80 mmHg for 24 hours. Medindia.net - Blood Pressure charts Medindia's simple tool alerts you if for your age your blood pressure is abnormal by displaying the normal values. This measurement is important if you are Blood Pressure Rangem, Hypertension, Stage, Healthy BP - Guide4Living In the past, a blood pressure range of 120 to 139 systolic and 80 to 89 diastolic was classified as being high normal. Recently, medical experts amended Effects of Normal, Pre-Hypertensive, and Hypertensive Blood Of those, 76 patients had normal blood pressure of 114/71 mmHg. âśAccumulating evidence has suggested that there is no threshold BP value below which What is Normal Blood Pressure? Hypertension, or high blood pressure, can be very dangerous, as can hypotension, low blood pressure. The normal value for healthy young adults is around Blood Pressure Chart - Normal Blood Pressure Range Normal blood pressure range chart, using a blood pressure monitor. Blood pressure - Wikipedia, the free encyclopedia 1.2 Invasive measurement; 1.3 Home monitoring; 1.4 Taking accurate home blood pressure readings. 2 Normal Values; 3 Physiology. 3.1 Regulation Blood pressure normal? Maybe now it isnâ™t. The changes included a new definition of "normal" blood pressure. This meant that 45 million Americans who had gone to sleep with normal blood pressure woke IngentaConnect Normal values of blood pressure self-measurement in In this study we reevaluated data from our Dubendorf study to determine self-measured blood pressure values corresponding to optimal and normal office blood Le Magazine, May 2005 - Report: Warning! Normal Blood Pressure May Normal Blood Pressure May Be High Blood Pressure! A blood pressure measurement of 120/80 mmHg signifies a systolic value of 120 and a diastolic value of What Is High Blood Pressure? If you are being treated for high blood pressure and have repeated readings in the normal range, you still have high blood pressure. |
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