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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AGS Aging in the Know
If my medications are running low, is it safe to cut them in half? Can I ever stop taking blood pressure medications? Has the high blood pressure caused

High Blood Pressure & 'White Coat' Hypertension
Non-compliance with medical therapy is another big problem, and if your blood pressure is running too high because your medication regimen is too

Causes and remedies for high blood pressure - FamilyEducation.com
High blood pressure can run in families. If you have a family history, you're twice as likely to develop it as others. Risk factors that can be controlled

BBC NEWS | Health | Gene defect explains high blood pressure
High blood pressure could be explained by a genetic "fault" which means tiny blood vessels such as when a person suddenly stood up or started running.

Amazon.com: Mayo Clinic Wellness Solutions for High Blood Pressure
Amazon.com: Mayo Clinic Wellness Solutions for High Blood Pressure: DVD: Rodney TOTAL RUNNING TIME : 93 MIN Not all exercise is suitable for everyone.

Lower Blood Pressure Naturally With The Blood Pressure Miracle!
Using my â˜Manganoâ™ method, you can lower your high blood pressureâ¦and do it . This means that youâ™re like a rat running on the endless treadmill for the

High Blood Pressure, Hypertension, High Cholesterol Forum - Blood
Blood Pressure Running High, How Dangerous Is 147/107? My blood pressure is running excessively high. 147/107 even though I am on spiralactone and lasik

High Cholesterol - heart and blood circulation tools for high
This section contains interactive tools and games for diseases such as High Blood Pressure and High Cholesterol. In order to run some of the tools,

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Go on to Causes , Effects & Symptoms of High Blood Pressure your heart pump faster, so more blood will go to your muscles ready for you to fight or run.

Clinical Reference Tool for the 4th Report on the Diagnosis
This application is provided by the National High Blood Pressure Education Install PedsHTN for PocketPC 2003 only onto devices running PocketPC2003 or

Blood Pressure Association press release: LOCAL MAN RUNNING LONDON
LOCAL MAN RUNNING LONDON 10K TO RAISE AWARENESS OF HIGH BLOOD PRESSURE. When Hamish Forbes takes part in the annual British 10k London run this year he will

The Morning News - Running From High Blood Pressure by Jeffrey
Running From High Blood Pressure. Death knocks. Your doctor tells you itâ™s time to start exercising or, well, itâ™s all over.

AskMen.com - Everyday ways to lower blood pressure.
Drugs and diet arenâ™t the only ways to treat high blood pressure. Washing your ride, mowing the lawn, running the vacuum or even doing the dishes can

High blood pressure may cost you your wits - Brief Article
Don't assume that just because you run and stay fit that your blood pressure is low. Remember, high blood pressure is known as "the silent killer" because

Moderate exercise recommended to prevent and control high blood
Walk, Don't Run to the Doctor First. Researchers say people with high blood pressure can safely participate in an exercise program or competitive sports,

High Blood Pressure (Hypertension) - Symptoms, Causes, Diagnosis
The management and control of high blood pressure involves two major options, and running (7 min/mile), racquetball, or skiing can burn as many as 920

Managing High Blood Pressure in Active People
Still, high blood pressure does occur in people who are active. but if you take someone who even goes up to running over walking, they may notice a

How to Prevent High Blood Pressure
While cigarette smoking is not directly related to high blood pressure, Activities like swimming, brisk walking, running, and jumping rope are called

RUNNING WITH HIGH BLOOD PRESSURE. - Topic Runners World Discussions
But I quit again after about 2 months and started running but felt lousy. That's when I found out I had high blood pressure. I am on meds to from the doc


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