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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Tips to Control High Blood Pressure
"A good rule of thumb is that if you can taste the salt in your food, Alcohol has been shown to raise blood pressure by interfering with the flow of

Salty Soups Raise Blood Pressure, Stroke Worries
Coverage includes conditions/diseases, food/fitness, alternative health, Salty Soups Raise Blood Pressure, Stroke Worries, Wed, 02 Jan 2008 GMT

Food Standards Agency - Eat well, be well - Blood pressure
Drinking too much alcohol can raise blood pressure, so we should try not to drink Remember that the amount you eat of a particular food affects how much

lifeclinic.com - Manage Blood Pressure - Lowering It - Eating
Compared with the standard food pyramid, the DASH eating plan is even richer While fats don't directly raise blood pressure, they do affect the health

InteliHealth:
Nonsteroidal anti-inflammatory drugs (ibuprofen, naproxen sodium, aspirin) occasionally can raise blood pressure by causing the body to hold on to salt and

High-carb diet may raise diabetics' blood pressure
High-carb diet may raise diabetics' blood pressure Following a Subscribe to Other Decision News Media E-newsletters - Food, Beverage & Nutrition

Orlando Sentinel - Airports raise blood pressure? by Robyn Shelton
Food and Drug Administration · Kaiser Family Foundation Airports raise blood pressure? Posted on Nov 19, 2007 6:38:00 AM

High blood pressure: Lifestyle changes to control it - MayoClinic.com
Keep a food diary, even for just a week, to assess your eating patterns and At those higher levels, alcohol can raise blood pressure by several points.

Both Beer, Red Wine Raise Blood Pressure
Beer and red wine can raise your blood pressure, but researchers say alcohol is still heart healthy in the right amount.

Blood pressure monitors raise Smith's drug sales. (Smith's Food
Blood pressure monitors raise Smiths drug sales. (Smiths Food and Drug Centers Inc.) from Supermarket News in Business provided by Find Articles.

Go Ask Alice!: Managing high blood pressure through diet
People with hypertension can use the following food guidelines: Thus, blood pressure rises. This rise in blood pressure is due to the arteries' lack of

TV can raise blood pressure in obese children: Scientific American
TV can raise blood pressure in obese children A family watches television Increased psychological stress and junk food eaten while watching TV could be

How To Lower Your Blood Pressure (Health: Blood Pressure)
Step 4:: Diet: Different types of food can lower or raise blood pressure. The BPA recommends that you have between 7 and 9 portions of fruit and vegetables

TV can raise blood pressure in obese children - Revolution Health
TV can raise blood pressure in obese children. Date updated: December 12, 2007 Content provided by Reuters. Obese children who watch a lot of television are

Blood pressure and diabetes
Each 1 mmHg of blood pressure rise causes a 1.3% increase in the number of . rich: herbs and spices make food tastier but have no blood pressure effect.

Lessening the Pressure: Array of Drugs Tames Hypertension
But excessive amounts of alcohol are known to raise blood pressure. Check the Nutrition Facts panel on food labels to learn how much calcium is in a

TV can raise blood pressure in obese children - Yahoo! News
TV can raise blood pressure in obese children. By Anne Harding Wed Dec 12, 4:33 PM ET. NEW YORK (Reuters Health) - Obese children who watch a lot of

TV can raise blood pressure in obese children | Health | Reuters
Increased psychological stress and junk food eaten while watching TV could be TV watching time clearly influences obesity and high blood pressure is a


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