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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Alcohol and high blood pressure
The exact way that alcohol affects blood pressure is not yet known. However, there is good evidence to show that if you drink alcohol in large amounts it

Alcohol: Does it affect blood pressure? - MayoClinic.com
Excessive use of alcohol can increase your blood pressure to unhealthy levels.

High Blood Pressure: Things You Can Do to Help Lower Yours
In some people, alcohol causes blood pressure to rise quite a lot. In other people, it doesn't. If you drink alcohol, limit it to no more than 1 or 2 drinks

Alcohol and Blood Pressure - Even Moderate Alcohol Drinking Can
Even modest amounts of alcohol consumption can cause blood pressure to increase, according to two recent studies conducted in Japan.

High Blood Pressure (Hypertension) - Patient UK
There are two ways in which blood pressure can be lowered. Modifications to lifestyle (weight, exercise, diet, salt, and alcohol) if any of these can be

Alcohol, Coffee, Smoking and High Blood Pressure - High Blood
People who drink alcohol excessively (over two drinks per day) have a one and a half to two times increase in the frequency of high blood pressure

Am I at Risk?
Eating too much salt â” A high sodium intake increases blood pressure in some people. Drinking too much alcohol â” Heavy and regular use of alcohol can

alcohol and diabetes
The link between alcohol and blood pressure is present even if you do not have diabetes. the rise in blood pressure after 8 units of alcohol (enlarge)

Tips to Control High Blood Pressure
Alcohol has been shown to raise blood pressure by interfering with the flow of blood to and from the heart. When alcohol courses through your bloodstream,

June Russell's Health Facts: Alcohol - Blood Pressure
June Russell's Health Facts: Alcohol's Effect on Blood Pressure.

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Reducing alcohol consumption lowers blood pressure in heavy drinkers
Reducing alcohol consumption lowers blood pressure in heavy drinkers.

lifeclinic.com - Manage Blood Pressure - Lowering It - Alcohol
Drinking too much alcohol can raise blood pressure. It also can harm the liver, brain, and heart. Alcoholic drinks also contain calories, which matter if

Blood Pressure and Alcohol: Should You or Shouldn't You?
Blood Pressure and Alcohol: Should You or Shouldn't You?

NHLBI, CHD in Blacks, Prevent High Blood Pressure
Alcohol raises blood pressure. Alcohol also adds calories and may make it harder to lose weight. Men who drink should have no more than two drinks a day.

High blood pressure due to alcohol. A rapidly reversible effect
The hypothesis that the action of alcohol on blood pressure is rapidly reversible and that its effect is therefore mainly due to very recent alcohol

ALCOHOL AND HEART DISEASE

from low levels of alcohol consumption on blood pressure. Peripheral vascular disease: There may be a beneficial relationship between alcohol


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