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.

blood pressure age table
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 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.

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

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

Blood pressure
Blood pressure levels by sex and age, adults aged 16 and over, 2003, Scotland (Table) Source: The Scottish Health Survey 2003 (2005).

NIHSeniorHealth: High Blood Pressure - Table of contents
High Blood Pressure. Table of Contents. What Is High Blood Pressure? Risk Factors and Prevention · Symptoms and Diagnosis · Treating High Blood Pressure

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

High Blood Pressure - Adolescent Medicine - Health Library
According to the tables, if your adolescent has a blood pressure that is higher than 90 to 95 percent of other males or females his/her age and height,

Low blood pressure
You will need to have tests on a tilt table where you lie down and then have your blood pressure and heart rate measured whilst the table tilts to see

Persons with high blood pressure, by age and sex
Statistics Canada Government of Canada. Related tables: Diseases and health conditions, Measures of health. Persons with high blood pressure, by age and sex

Annals of Epidemiology : Blood Pressure at Age 324 Years in a
BP was considerably lower in children than in adults but increased steadily with age. Table 1. Blood pressure, weight, and height (Mean a SD) by sex and age

Impact of age and blood pressure on the lower arterial pressure
View this table: in this window · in a new window, Table 1 Arterial systolic blood pressure during HUT by age group (mmHg)

Journal of Human Hypertension - Table 2 for article: Contributions
Table 2. Blood pressure, age, and BMI. Next table | Previous table | Figure and Correlations of SBP, DBP, age, and BMI with plasma GSH, NEu, and NEpl.

Initial Evaluation of Blood Pressure
As is evident (Table 1), the blood pressure is the discriminator between the . sensory or fine motor skills as a result of age or comorbid conditions.

Blood Pressure and Survival in a General Population Over Age 85
Tables for:. Association Between Blood Pressure and Survival over 9 Years in a Age, mean a SD, 88.5 a 2.6, 88.9 a 2.9, 88.8 a 2.8 .2, 88.6 a 3.2 .5

Correlates of blood pressure at age 18 in a cohort of Scottish
We report an analysis of blood pressure (BP). measured at age 18 in a cohort of Table 1 (A) Pearsons correlations and (B) multiple regression analysis

Table 6.1.2_summary. Age standardized systolic blood pressure
Table 6.1.2_summary. Age standardized systolic blood pressure (mmHg) - mean of two measurements for 35-64. Rua, Survey, Men, Women. Mean, Std, Se, Mean, Std

JSTOR: Body Size, Fat Distribution, Menarcheal Age and Blood
16 found no relationship between blood pressure and age of menarche among girls 1113 Table 2. Means and standard deviations (in brackets) of blood


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