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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WHFoods: Hypertension (high blood pressure) This is one of the primary reasons why diets rich in folic acid, such as the Mediterranean and DASH diets, are able to lower high blood pressure as News - Folic Acid Improves Endothelial Function And Blood Pressure Supplementation with folic acid significantly enhances endothelial function and reduces blood pressu. Natural Remedies for High Blood Pressure One small study of 24 cigarette smokers found that four weeks of folic acid supplementation significantly lowered blood pressure. Learn more about folic lifeclinic.com - Manage Blood Pressure - Lowering It - Eating Eating fish and losing weight lowers blood pressure. Taking folic acid plus cereal fortified with folic acid lowers blood level of homocysteiene. Extra folic acid good for women's blood pressure If you are a woman and take 1000 micrograms of folic acid a day in the form of supplements, your chances of developing high blood pressure are greatly New Reason To Take Folic Acid?, Study: Seems To Sharply Cut New Reason To Take Folic Acid? Study: Seems To Sharply Cut Women's High Blood Pressure Odds. CHICAGO and NEW YORK, Jan. 19, 2005 Homocysteine, Folic Acid and Cardiovascular Disease Other evidence shows that low blood levels of folic acid are linked with a higher risk high blood cholesterol, high blood pressure, physical inactivity, Homocysteine However, the researchers measured folic acid blood levels but did not measure homocysteine or B12 levels. Rather, they assumed that low folic acid levels Lower Blood Pressure Another Benefit of Folic Acid 10/27/04 It's already known that women take folic acid to prevent birth defects, but now it is being linked to another benefit -- decreasing blood pressure levels. Folic Acid May Fight High Blood Pressure A new study shows that younger women who got at least 1000 micrograms of folic acid a day from their diet or supplements had a 46% lower risk of developing BBC NEWS | Health | Folic acid 'cuts blood pressure' Taking folic acid may help keep blood pressure low, researchers in the US believe. |
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