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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Pregnant Women Warned About a Kind of Blood Pressure Medicine The F.D.A. says women who might become pregnant should talk with their doctor about other ways to treat high blood pressure. This VOA Special English Health ACE inhibitors: New warning for pregnant women - CNN.com Women who have high blood pressure and are pregnant or considering Up to 5 percent of women have high blood pressure before they become pregnant, Pregnancy High Blood Pressure, Pregnancy, High Blood Pressure Those who are obese prior to pregnancy and pregnant women under the age of 20 or over the age of 40 are also more likely to develop high blood pressure. Lower blood pressure techniques for pregnant women. » Propeller Health & Fitness ⓠLower blood pressure. This article is helpful for women that are pregnant and are having an increase in blood pressure. THE EFFECT OF POSTURE ON THE BLOOD PRESSURE OF PREGNANT WOMEN WITH on blood pressure is the supine hypotensive. syndrome which occurs in about 11 per cent of. pregnant women (Howard et al., 1953). This is High Blood Pressure During Pregnancy -- familydoctor.org There are three types of high blood pressure in pregnant women: Sometimes a woman has high blood pressure for a long time before she gets pregnant, Medical Care During Pregnancy At each examination, your weight and blood pressure are usually recorded. . Pregnant women also frequently worry about weight gain. High Blood Pressure During Pregnancy High blood pressure associated with pregnancy can be a serious problem. While most pregnant women who have, or develop, high blood pressure during pregnancy Pregnancy-induced high blood pressure (pre-eclampsia) Up to 1 in 10 pregnant women develop raised blood pressure accompanied by the appearance of protein in the urine (proteinuria) and retention of excessive High Blood Pressure in Pregnancy Although many pregnant women with high blood pressure have healthy babies without serious problems, high blood pressure can be dangerous for both the mother Pregnancy Pregnant woman Although many pregnant women with high blood pressure have However, some women develop high blood pressure while they are pregnant (often |
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