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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Stroke and high blood pressure - Better Health Channel. Around 70 per cent of strokes are thought to be caused by high blood pressure (hypertension). A person with untreated hypertension is four times more likely High Blood Pressure Increases Your Risk for Stroke High blood pressure is a major risk factor for stroke. High Blood Pressure Many people have high blood pressure for years without knowing it. Uncontrolled high blood pressure can lead to stroke, heart attack, congestive heart Early to RiseÁ”Morning Blood Pressure Predicts Stroke A second report from the same research group shows that a morning surge in blood pressure is a better predictor of stroke than extreme dips in pressure High Blood Pressure and Stroke This brochure alerts readers to the fact that high blood pressure is a leading risk factor for stroke. It provides clear directions for treating high blood Blood pressure, stroke, and coronary heart disease. Part 1 The associations of diastolic blood pressure (DBP) with stroke and with coronary heart disease (CHD) were investigated in nine major prospective Blood Pressure - Heart and Stroke Foundation of Canada Lower your risk of heart attack or stroke by controlling your high blood pressure. Take our Risk Assessment for your personal risk profile. JAMA -- Abstract: Blood pressure after stroke, November 13, 1981 In 334 consecutive admissions for acute stroke, the blood pressure was elevated in 84% on the day of admission. The blood pressure decreased spontaneously Stress, Blood Pressure and Stroke Risk: How Stress Can Raise Blood You may already know that stress can raise your blood pressure. Here's the latest information and research on how stress and high blood pressure affect your Lowering Blood Pressure Following Stroke May Reduce Damage A new study suggests that commonly prescribed drugs used to lower blood pressure may help reduce brain damage when given within 24 hours of a stroke. High blood pressure - what is hypertension? High blood pressure is a risk factor for heart disease, stroke, kidney disease and dementia. This means that if you have high blood pressure you are at Lowering Blood Pressure Following Stroke May Reduce Damage A new University of Georgia study suggests that commonly prescribed drugs used to lower blood pressure may help reduce brain damage when given within 24 Johns Hopkins: Hypertension|Stroke about high blood pressure Johns Hopkins Health Alerts on Hypertension and Stroke with recommendations on avoiding high blood pressure and reducing risk of stroke. LHSFNA: Noise Exposure Associated with High Blood Pressure, Stroke The study shows that on-the-job noise contributes to high blood pressure which, in turn, can cause heart disease or stroke.Á« High Blood Pressure and Stroke High blood pressure is an extremely powerful risk factor for having a stroke. Up to 70% of strokes can be directly attributed to the effects of high blood Know Stroke: Blood Pressure Screenings Untreated high blood pressure is a strong risk factor for stroke and cardiovascular disease, so getting it checked regularly and getting it under control is Blood pressure in Acute Stroke Bath F, Bath P. A systematic overview of blood pressure management in acute stroke. In: Warlow C, Van Gijn J, Sandercock P (eds.) Stroke Module of The DiagnosisHeart.com Present's Dr Petes Eating for a Healthy Heart High Blood Pressure & Stroke Order Now By Phone 1-877-REGSOFT - Ask for Doctor, Tell Me About High Blood Pressure & Stroke - Comprehensive Guide to |
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