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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Drugs that lower high blood pressure are the cornerstone of preventive medicine. supposedly tried and true beta-blocker drug called atenolol (some brand

High Blood Pressure (Part Two)
Here are some drugs used to treat high blood pressure. . Acebutolol (Sectral), atenolol (Tenormin), metoprolol tartrate (Lopressor), nadolol (Corgard),

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Losartan has also been shown to be more effective than atenolol for preventing fatal and Tekturna: New high blood pressure medication approved by FDA

Antihypertensive - Wikipedia, the free encyclopedia
Antihypertensives are a class of drugs that are used in medicine and pharmacology to treat hypertension (high blood pressure). There are many classes of

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A study of nutritional therapy showed that over one-third of people who previously needed drug treatment for high blood pressure were able to adequately

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Thiazides often serve as the basis for high blood pressure treatment, either taken . Comparison studies with the beta blocker atenolol ACE inhibitor have

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17, 2007) â” Hispanic women with hypertension and coronary artery disease respond better to drug regimens aimed at controlling high blood pressure than

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For high blood pressure â” metoprolol tartrate, nadolol, and propranolol. For angina â” atenolol, metoprolol tartrate, nadolol, and propranolol.

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1 message: lowering of blood pressure when taking Atenolol db -- Thursday, 20 December 2001, at 3:34 p.m. 1 message: Re: Atenolol and high cholesterol

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High Blood Pressure (Heart Forum) · Discontinuing Atenolol due to poor healing High Blood Pressure (Heart Forum) · Dizziness/Blood pressure High Blood

MedlinePlus Drug Information: Atenolol
Atenolol is used alone or in combination with other medications to treat high blood pressure. It also is used to prevent angina (chest pain) and treat heart

Archives of High Blood Pressure from the The Heart Forum
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BBC NEWS | Health | More doubt on blood pressure drug
A large study has provided fresh evidence that a drug widely used to treat high blood pressure may not be the best option for many patients.

BBC NEWS | Health | Doubts over blood pressure drug
Results from a further five studies, comprising 17671 patients, which matched atenolol against other blood pressure lowering drugs, were also analysed.

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In June 2006 the guidelines on medicines for high blood pressure changed . Acebutolol, Atenolol, Bisoprolol, Metoprolol, Oxprenolol Pindolol, Propanaolol

Drug InfoNet - Blood Pressure - senior
Question:I am presently taking Atenolol 75mg for high blood pressure. I have been taking this medication for about 3 years. My triglyceride count is high

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DRUG CLASS AND MECHANISM: Tenoretic is a combination of atenolol (Tenormin) and chlorthalidone (Hygroton) used for the treatment of high blood pressure.

Atenolol â“ Complete medical information regarding this treatment
PRESCRIBED FOR: Atenolol is prescribed for patients with high blood pressure (hypertension). It is also used to treat chest pain (angina pectoris) related


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