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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Measuring Blood Pressure, what the numbers mean. The top number can be anywhere from 90 to 240 and the bottom number can be anywhere from 60 to 140. Blood pressure is measured in millimetres of mercury, What is blood pressure? When the level stays high, 140/90 or higher, you have high blood pressure. With high blood pressure, the heart works harder, your arteries take a beating, High Blood Pressure High blood pressure, or hypertension, is defined in an adult as a systolic pressure of 140 mm Hg or higher and/or a diastolic pressure of 90 mm Hg or higher High Blood Pressure (Hypertension)-Overview Adults should have a blood pressure of less than 120/80. High blood pressure is 140/90 or higher. Many people fall into the category in between, Amazon.com: Mark of Fitness MF-90 Wrist Blood Pressure/Body Fat Amazon.com: Mark of Fitness MF-90 Wrist Blood Pressure/Body Fat Monitor: Health & Personal Care. What Is High Blood Pressure? High blood pressure is a blood pressure reading of 140/90 mmHg or higher. High blood pressure. Stage 1, 140â“159, 90â“99 Blood Pressure Chart - Normal Blood Pressure Range 210 - 120 - Stage 4 High Blood Pressure 180 - 110 - Stage 3 High Blood Pressure 160 - 100 - Stage 2 High Blood Pressure 140 - 90 - Stage 1 High Blood Blood Pressure 90 tabs from ATKINS NUTRITIONALS Buy Blood Pressure 90 tabs from ATKINS NUTRITIONALS, Sale Price: $0.00 or Volume Discounts Toll Free 1-800-877-8702, PayPal Available. 90% of Americans Headed for High Blood Pressure 3/16/02 The Framingham study found that unless lifestyle changes are implemented, most Americans will develop hypertension. Learn what you can do to treat and High Blood Pressure (Hypertension) - Patient UK High blood pressure is a blood pressure that is 140/90 mmHg or above each time it is . A drug to lower blood pressure if it is 140/90 mmHg or higher. PharmGKB: Blood pressure measurements Hypertensive - the mean blood pressure for this group of subjects was: systolic blood pressure = 146 mmHg; diastolic blood pressure = 90 mmHg. Blood Pressure Monitoring at Home -- familydoctor.org Normal blood pressure is 120/80 or lower. High blood pressure is 140/90 or higher. If your blood pressure is between 120/80 and 140/90, you have something Clinical and Health Outcomes Knowledge Base Normotensive treated - taking prescribed drugs for blood pressure and with systolic blood pressure <140 and diastolic blood pressure <90; Low Blood Pressure (Hypotension) Causes, Symptoms, Diagnosis, and Systolic blood pressure for most healthy adults falls between 90 and 120 millimeters of mercury (mm Hg). Normal diastolic blood pressure falls between 60 High Blood Pressure (Hypertension) - Yahoo! Health To confirm that you have high blood pressure, your blood pressure must reach or exceed 140/90 mm Hg on three or more separate occasions. Blood pressure (high) Introduction - Health encyclopaedia - NHS Direct Hypertension (high blood pressure) is defined as a systolic pressure of 140 mmHg or more, or a diastolic pressure of 90 mmHg or more. Prevalence of Actions to Control High Blood Pressure --- 20 States HBP in NHANES was defined as systolic blood pressure of >140 mm Hg, diastolic blood pressure of >90 mm Hg, or taking antihypertensive medication. online health Questions > 79 year olf lady with blood pressure 90 79 year olf lady with blood pressure 90/58 and pulse of 51. High Blood Pressure May Be Due To Excess Weight In Half Of About one in three American adults has high blood pressure, which is defined as a systolic pressure of 140 mm Hg or higher or a diastolic pressure of 90 mm |
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