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.

child blood pressure reading
Hypertension (High Blood Pressure), Cincinnati Children's Hospital
Hypertension (High Blood Pressure), explanation, reading, causes and effects information provided in the Heart Encyclopedia by Cincinnati Children's

BBC NEWS | Health | Breast milk lowers blood pressure
Researchers found it was as good for children's blood pressure as exercise and blood pressure reading on average 1.7mm Hg lower than those who had not.

NHM Question of the Week: High Blood Pressure
So, while 120/80 mm/Hg is a normal reading for an adult and for some older children, that same reading could indicate high blood pressure in a younger,

High Blood Pressure - Morgan Stanley Children's Hospital of
More meaningful blood pressure readings can be obtained this way. adults with high blood pressure found that many had high blood pressure as a child.

HealthDay
Tables are available that allow health-care professionals to plot out a child's height, weight, gender and blood pressure readings.

Breastfeeding As Good For Children's Blood Pressure As Exercise
It is the first number given in any blood pressure reading, such as 120 over 80. 4, 2004) â” Breastfed babies have lower blood pressure as children

The New York Times > Health > Children's Blood Pressure Levels
Children's Blood Pressure Levels Climb, Increasing Cardiac Risks the average systolic blood pressure, the higher number in a blood pressure reading,

Interpreting Blood Pressure Readings in Kids - How to Determine
Interpreting blood pressure readings for children is somewhat complicated compared to adults. While adult blood pressure readings can easily be compared to

Breastfeeding May Lower Child's Blood Pressure
A new study shows that the longer children are breastfed,the longer children are breastfed, the lower their blood pressure readings are up to age 15.

High blood pressure and children: Early treatment offers hope
A blood pressure reading has two numbers. The first, or upper, number measures the pressure in your child's arteries when his or her heart beats (systolic

MedlinePlus: High Blood Pressure
Your blood pressure reading uses these two numbers, the systolic and diastolic . High Blood Pressure and Children: Watch Your Child's Weight(Mayo

High Blood Pressure in Children and Adolescents - Lucile Packard
Before determining that a child has high blood pressure, a physician or nurse will take several readings when your child is calm, and you are present to

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

National Kidney Foundation: A to Z Health Guide Item
To determine whether your childâ™s blood pressure is high, the doctor will compare his/her reading with charts that list normal ranges for children based on

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 (Hypertension)
It's not unusual for a first blood pressure reading to be high because the child is nervous, so the doctor will likely take three readings - and use an

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
Child Blood Pressure. At her kindergarten physical my daughter had her blood Wherever I look on the Internet, I find adult blood pressure readings.


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