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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BioMed Central | Full text | Relationship between blood pressure Table 1. Age, sex, mean BP by age, and the components of blood pressure measurement of 1142 patients who had not achieved target levels. Keep Blood Pressure Chart Handy For Daily Analysis The blood pressure chart typically encloses information regarding your pulse pressure, diastolic pressure readings, systolic pressure readings and age. Blood Pressure Tables for Children and Adolescents, NHLBI Image of table linked to the PDF file The updated blood pressure (BP) tables and diastolic blood pressure (DBP) according to height, sex, and age are Table 1. Classification of Blood Pressure (BP) for Adults Age 18 Table 1. Classification of Blood Pressure (BP) for Adults Age 18 Years and Older. Category, Systolic BP (mm Hg), Diastolic BP Hypertension Guide It also includes a blood pressure chart issued by the National Institutes of Health's As people age their chances of developing hypertension increase. The K-Zone: Biophysical data tables: blood pressure Biophysical data tables: blood pressure. Last modified: Thu Jul 8 07:02:37 2004 Sex/Age, Systolic (mmHg), Dialsolic (mmHg). Male, 16-19, 105-135, 60-86 Healthy Blood Pressure Chart - Low Carb Just how does your blood pressure compare to people in your age group? Check these charts and find out! - Healthy Blood Pressure Chart - Low Carb is a Blood Pressure Levels The classifications in the table below are for people who aren't taking Classification of blood pressure for adults age 18 years and older Blood pressure Blood pressure levels by sex and age, adults aged 16 and over, 2003, Scotland (Table) Source: The Scottish Health Survey 2003 (2005). Medindia.net - Blood Pressure charts Medindia's simple tool alerts you if for your age your blood pressure is abnormal by displaying the normal values. This measurement is important if you are Blood Pressure Chart There seems to be a dearth of decent blood pressure charts on the web. I have seen a chart in the past that relates age and weight. |
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