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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Pocket Guide to Good Health for Adults Some people need to take medicine to keep their blood pressure at healthy levels. If you take medicine, be sure to talk to your doctor about how to take it. High Blood Pressure: Online References For Health Concerns The C12 peptide is not the only natural agent that effectively supports healthy blood pressure levels. Grape seed extract, which is already known to have a Energy drinks can jolt blood pressure - Heart health- msnbc.com The drinks generally have high levels of caffeine and taurine, "We saw increases in both blood pressure and heart rate in healthy volunteers who were Q&A: How to reduce high blood pressure and restore healthy A reader asks,"What are the proven natural products that reduce high blood pressure and restore healthy cholesterol levels? Low blood pressure This is why when you have your blood pressure level assessed it is so to make sure that their blood pressure is as low and as healthy as it can be. Hyperexol Keeps Healthy Blood Pressure Levels - or it's FREE! Discover The Doctor-Approved Formula Guaranteed To Safely Normalize Your Blood Pressure Levels. Healthy blood fat and blood pressure levels, cholesterol Heart Infocenter. Healthy blood fat and blood pressure levels. What is normal and what is too high? BBC - Health - Conditions - Hypertension There's no cure as such for hypertension, but following a healthy lifestyle can be enough to bring blood pressure down to a normal level. What Is High Blood Pressure? Still, for most of your waking hours, your blood pressure stays pretty much the same when you are sitting or standing still. That level should be lower than Categories for Blood Pressure Levels in Adults: Guide to Lowering HBP When systolic and diastolic blood pressures fall into different categories, the higher category should be used to classify blood pressure level. About High Blood Pressure So it's important to know about blood pressure and how to keep it within a healthy level. Normal blood pressure falls within a range; it's not one set of |
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