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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Blood Pressure Tables for Children and Adolescents, NHLBI The updated blood pressure (BP) tables for children and adolescents are based on recently revised child height percentiles and also include the BP data from High Blood Pressure in Children Children, even very young babies, can have high blood pressure. The American Heart Association recommends that all children age 3 and older have yearly High Blood Pressure in Children Get the facts about children and high blood pressure. High Blood Pressure (Hypertension) It might seem odd that kids can have high blood pressure, or hypertension, because we usually associate the condition with older people. But some kids do High blood pressure and children: Watch your child's weight A Mayo Clinic specialist explains how obesity and high blood pressure threaten children's health. High blood pressure and children: Early treatment offers hope High blood pressure can threaten your child's health â” but early treatment can help. Parenting Corner Q & A: High Blood Pressure As a result, your child may show no signs of high blood pressure as an infant In most routine physical examinations, your child's blood pressure will be High Blood Pressure in Children and Adolescents - Lucile Packard High blood pressure means that there is higher than normal pressure inside the arteries either during systole (when the heart contracts and pumps blood Journal of Human Hypertension - Abstract of article: Salt and Salt and blood pressure in children and adolescents Correspondence: Dr FJ He, Blood Pressure Unit, Cardiac and Vascular Sciences, St George's University High blood pressure in children is a hidden epidemic, warn doctors Many children and adolescents now have high blood pressure that is going undetected, a study has shown. Kids' High Blood Pressure Often Missed - Healthy Kids and Underdiagnosis was also less of an issue among the oldest and tallest kids in the study because their normal and high blood pressure readings were more Pediatric Oncall-HIGH BLOOD PRESSURE IN CHILDREN Hypertension in children, its causes and treatment at www.pediatriconcall.com. Exercise Key to Lowering Kids' Blood Pressure - Healthy Kids and A complete listing of health information about kids and teens, including acne, AIDS awareness, allergies and asthma, attention deficit disorders and Kids' High Blood Pressure Often Missed High blood pressure in children and teens appears increasingly common, but it frequently goes undiagnosed, according to new research. Check Kids' Blood Pressure, Too , New Study Urges Pediatrician To A new study appearing as a supplement to the August issue of Pediatrics is urging pediatricians to begin monitoring a child's blood pressure as early as age Taking a blood pressure However, kids should have BP lower than the normal values for adults. Explanation: BACKGROUND Blood pressure varies relative to heart's pumping of blood. More Kids Developing High Blood Pressure - washingtonpost.com The rate of health-threatening high blood pressure has started rising among American children for the first time in decades, researchers reported yesterday, Blood Pressure in Children - DrGreene.com There are important connections between high blood pressure and snoring, type 2 diabetes, and high cholesterol. If a child has one, consider whether the Child Blood Pressure - DrGreene.com - caring for the next generation Dr. Greene talks about the normal range of childs blood pressure. |
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