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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UpToDate Patient information: High cholesterol and lipids Also have high LDL cholesterol or low HDL cholesterol levels . Nicotinic acid can also produce low blood pressure in people taking vasodilator High blood cholesterol and triglycerides Diabetes; Poorly controlled high blood pressure; Family history of heart Choose foods low in saturated fat. (See cholesterol for more information. Cholesterol information: high cholesterol, lowering cholesterol His mild high blood pressure has been well controlled with an oral medication of LDL cholesterol from the blood and low blood LDL cholesterol levels. A low-sodium diet does not raise blood cholesterol levels High blood pressure is 140/90 millimeter of mercury (mmHg) or higher. in total cholesterol, low-density lipoprotein (LDL) cholesterol, high-density Diabetes Monitor - high blood cholesterol How can I plan meals that have low saturated fat and cholesterol levels? . If you have high blood pressure or diabetes, follow your treatment plan. DHDSP - Cholesterol - Cholesterol Prevention High blood cholesterol is a major risk factor for heart disease. People with high total cholesterol, high LDL cholesterol, or low HDL cholesterol should High blood cholesterol - Prevention of risk factors - Heart Low-density lipoprotein (LDL) cholesterol Á“ often called ÁœbadÁ« cholesterol because high levels of LDL-cholesterol in the blood promotes the build-up of High Blood Cholesterol with High Blood Pressure High blood cholesterol to a large extent is inherited. Regardless of inheritance people on an extremely low fat diet cannot have high blood cholesterol Risk Factors: Tobacco Smoke, High Blood Cholesterol, High Blood Several factors can contribute to the risk of high blood pressure for women: high blood cholesterol and triglyceride levels. low HDL (good) cholesterol. Making Sense of Your Cholesterol and Blood Pressure Readings If you have high cholesterol or other risk factors for heart disease, Low blood pressure (any reading significantly lower than 120/70) is called High blood cholesterol - CNN.com Smoking; High blood pressure; Low HDL cholesterol; Family history of early heart disease; Age older than 45 if you're a man, or older than 55 if you're a RXTM: What Makes Your Cholesterol High or Low? What Makes Your Cholesterol High or Low? Your blood cholesterol level is This book offers new hope and insight for those with high blood pressure but it High cholesterol but low blood pressure I have very high cholesterol but very low blood pressure. Does that reduce my risk of heart disease/stroke? My grandparents and brother died of heart Hypertension: Low Cholesterol, High Blood Pressure. Hi James, This may be the result of activity induced hypertension. This has been shown to be what is called an anginal equivalent . That is to say, NHLBI, High Blood Cholesterol: What You Need to Know Cigarette smoking; High blood pressure (140/90 mmHg or higher or on blood pressure medication); Low HDL cholesterol (less than 40 mg/dL)*; Family history of High cholesterol and low blood pressure. >> Medical Questions Hi, I have been suffering from low blood pressure all my life, so I need to drink coffee and take other stimulants to be in good shape. J-Curve Phenomenon Treating high blood pressure or high cholesterol levels with drugs may have some side effects. However, treatment doesn't result in the markedly low values |
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