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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Adult Health Advisor 2005.4: High Blood Pressure: Secondary It can be dangerous to suddenly stop taking blood pressure medicine. Limit the amount of alcohol you drink. Try to reduce the stress in your life or ALCOHOL AND BLOOD PRESSURE - Journal Watch (General) From the publishers of The New England Journal of Medicine ALCOHOL AND BLOOD PRESSURE. Studies have shown a relation between alcohol consumption and High blood pressure: Lifestyle changes to control it - MayoClinic.com At those higher levels, alcohol can raise blood pressure by several points. In addition, it can reduce the effectiveness of your high blood pressure InteliHealth: Alcohol is bad for blood pressure but good for the heart? You might be taking the wrong medicine. The factors that have caused your blood pressure to be Alcohol and Blood Pressure - Even Moderate Alcohol Drinking Can Even modest amounts of alcohol consumption can cause blood pressure to increase, from the department of social and environmental medicine at Osaka NIAAA Publications To learn more about a medicine and whether it will interact with alcohol, Rapid heartbeat, sudden changes in blood pressure, dizziness, fainting Does alcohol interfere with blood pressure medication? - Good Does alcohol interfere with blood pressure medication? Rick, Dayton. By Chad Dehipitiya, M.D.. Internal Medicine. Capital Medical clinic, LLP. High Blood Pressure -- What Can Be Done How does medicine help control high blood pressure? much alcohol (more than one ounce of pure alcohol, or two drinks per day) raises blood pressure in Publications Drink less alcohol. Drinking alcohol can affect your blood pressure. If you need to take high blood pressure medicine, lifestyle changes may help lower High Blood Pressure (Hypertension) - Patient UK There are two ways in which blood pressure can be lowered. Modifications to lifestyle (weight, exercise, diet, salt, and alcohol) if any of these can be High Blood Pressure: Things You Can Do to Help Lower Yours Do I need to quit drinking alcohol altogether? Does stress affect my blood pressure? What about medicine? What are the possible side effects of medicine? |
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