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 the Blood Pressure At birth, a typical blood pressure is 80/50 mmHg. It rises steadily throughout childhood, so that in a young adult it might be 120/80 mmHg. As we get older, John Henryism, Education, and Blood Pressure in Young Adults The John Henryism, Education, and Blood Pressure in Young Adults The CARDIA Study. EC McKetney, David R Ragland amjepid 143:88, 787-791, 1996 by The Johns 14 WFIE, The Tri-State's News Leader: Young Adults And High-Blood Everyone gets a bit stressed out in our fast-paced society, but some young adults are so stressed out, they're at risk for developing high blood pressure. ScienceDirect - The Lancet : Birth size and arterial compliance in Large-artery elasticity and mean arterial blood pressure according to Birth size and arterial compliance in young adults, Lancet 355 (2000), pp. Childhood Blood Pressure as a Predictor of Arterial Stiffness in In multiple regression analyses, independent predictors of baPWV in young adults were systolic blood pressure in childhood; systolic blood pressure, Resting pulse rate of children and young adults associated with Resting pulse rate of children and young adults associated with blood pressure and other cardiovascular risk factors. R F Gillum IngentaConnect Blood pressure and arterial compliance in young The aim of this study was to assess the relation between blood pressure (BP) and arterial compliance in a healthy sample of young adults. Health Report - 9/07/01: High blood pressure in young adults and Having high blood pressure when youre young may increase your risk of cardiovascular disease later in life Also the risks of high blood pressure in working Journal of Human Hypertension - Abstract of article: Exercise It has not been fully clarified whether exercise blood pressure (BP) in young adult men and women is useful to predict future BP, especially in Asian people BBC NEWS | Health | High blood pressure misdiagnosed He said hypertension in young adults should be diagnosed with caution by taking the average of many blood pressure measurements or even using a higher Go Ask Alice!: Blood Pressure Numbers Therefore, it is recommended that one calculates his/her blood pressure from an average of three readings on separate days. Young adults in good physical iTWire - Data shows young adults using cholesterol and blood Data shows young adults using cholesterol and blood pressure drugs more The use of blood pressure drugs increased from 7% to over 8% in 2006, FOXNews.com - Study: More Young Adults Using Cholesterol Drugs Jones, dean of the University of Mississippi School of Medicine, said he has seen some increase in young adults with blood pressure or cholesterol problems, Physical Activity Reduces Hypertension Risk in Young Adults Blood Young adults who devote more time to physical activity have a reduced risk of developing high blood pressure in the next 15 years, according to new research Blood Pressure: Treatment for Young Adults This practice is now changing, so more and more young adults are now having their blood pressure measured routinely every three weeks or so. Young adults' stress reaction predicts middle-age blood pressure risk Young adults who react to psychological stress with spikes in blood pressure are more likely to have high blood pressure when they are in their 40s. Mental function declines when blood pressure rises in young adults Young people with high blood pressure are just as susceptible to decreased mental function as are elderly people with high blood pressure. High Blood Pressure in a Young Adult Adults over the age of 18 who have a blood pressure reading of 140/90 or higher on at least 3 separate measurements meet the criteria for hypertension. |
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