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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Coffee and blood pressure It clearly shows the need for a high quality study examining the effect of coffee on blood pressure. In the meantime, the evidence to date suggests that for Sport Syndicate: Relating High Blood Pressure to Caffeine Consumption Having a cup of coffee just before your blood pressure is measured is unwise. may convince your doctor that you have sustained high blood pressure. Coffee, High Blood Pressure Linked to Stroke Drinking three cups of coffee a day could increase the risk of thromboembolic stroke in older men who have high blood pressure. High Blood Pressure - What are the effects of coffee on your blood Dr. Gandelman explains how the caffeine in coffee can raise your blood pressure. Coffee and High Blood Pressure: More is better? Coffee and High Blood Pressure: More is better? For years, there has been some concern that people who drink a lot of coffee or other caffeinated drinks may The Coffee Blood Pressure Connection - Caffeine and High Blood Coffee and tea are the most popular beverages in the world, and both contain significant amounts of caffeine. Is this caffeine bad for you, and can it cause BBC NEWS | Health | Caffeine 'does not raise blood pressure' People who opt for decaffeinated coffee to avoid raising their blood pressure may be Dr Thom said coffee was not the main cause of high blood pressure High blood pressure coffee sex relaxation flying yoga hawthorn garlic Can having sex be dangerous if you have high blood pressure? 44. Does drinking too much coffee raise your blood pressure? 45. Do relaxation techniques and Coffee intake and incidence of hypertension -- Uiterwaal et al. 85 Hypertension was defined as a mean systolic blood pressure (SBP) ≥ Conclusions: Coffee abstinence is associated with a lower hypertension risk than is Coffee drinkers at risk for high blood pressure - Heart health The likelihood of having to start drug treatment to control high blood pressure, or hypertension, seems to be increased among coffee drinkers. Harvard Gazette: Coffee gets cleared of blood pressure risk Women who drink more than three cups of coffee a day are less likely to develop high blood pressure than those who drink four or more cans of caffeinated InteliHealth: Many doctors caution people with high blood pressure to limit daily caffeine to no more than two cups of coffee, three to four cups of tea, or two to four High blood pressure: Lifestyle changes to control it - MayoClinic.com A November 2005 study showed drinking coffee ┠even a lot of it ┠didn't seem to increase the risk of high blood pressure in women, but drinking colas Coffee At Work Equals High Blood Pressure 25 May 1998 Coffee At Work Equals High Blood Pressure. The aroma of freshly-brewed coffee may be one of the great comforters of the workaday world, Caffeine: How does it affect blood pressure? - MayoClinic.com In fact, the study suggested that women who drink caffeinated coffee may actually have a reduced risk of high blood pressure. Does Coffee Raise Blood Pressure? (INeedCoffee.com) If you suffer from Cardiovascular Disease (CVD or coronary heart disease) and/or fear you might some day due to high blood pressure, is your coffee Blood Pressure and Coffee (INeedCoffee.com) For instance, are you a long term coffee drinker or occasional? Are you male or female? Do have a family history of high blood pressure? Alcohol, Coffee, Smoking and High Blood Pressure - High Blood What's more, the combination of smoking and drinking coffee in persons with high blood pressure may increase the blood pressure more than coffee alone. Site Map: Guide to Lowering High Blood Pressure Do Fats in the Diet Affect Blood Pressure? Will Drinking a Lot of Coffee Send Your Blood Pressure Up? Does Stress Cause High Blood Pressure? |
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