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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March 7, 2007 - The United States yesterday became the first country to approve Tekturna (aliskiren) tablets, the first new type of medicine in more than a

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Original Article from The New England Journal of Medicine -- Increase in Nocturnal Blood Pressure and Progression to Microalbuminuria in Type 1 Diabetes.

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iology and Hypertension Program and Professor of Medicine at theUniveTekturna received US regulatory approval for treatment of highblood.

Tekturna, First New Type of High Blood Pressure Medicine in a
New study results show more patients receiving both Tekturna andDioEAST HANOVER NJ March 26 2007 /PRNewswire/ -- Results froma new .

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In these studies, patients had been randomly assigned to treatment with ACE inhibitors, another type of blood pressure medicine, or placebo.

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New study results show more patients receiving both Tekturna and Diovan reached target blood pressure goal compared to those taking either agent alone.

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NORVASC is the most prescribed high blood pressure medicine worldwide. Lipitor is also used in patients with type 2 diabetes and at least one other risk

Blood Pressure Control in People with Type 2 Diabetes Mellitus
They are in the 1 April 2003 issue of Annals of Internal Medicine (volume Patients with type 2 diabetes should aim for blood pressure levels less than

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Tekturna Provides Additional Blood Pressure Reduction When Used With Diovan.

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Natural Remedies to Maintain Normal Blood Pressure. Natural remedies have been used in traditional medicine for thousands of years to support the solid

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Novartis announced today that the United States has become the first country in the world to approve Tekturna (aliskiren), the first new type of medicine in

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Types of Blood Pressure Medications: Guide to Lowering HBP
For more information, select the type of medication from the list below: The ACE inhibitors cause the vessels to relax and blood pressure goes down.

MedlinePlus: High Blood Pressure
The primary NIH organization for research on High Blood Pressure is the . Take Your High Blood Pressure Medicine From the National Institutes of Health

High blood pressure (hypertension) - causes, treatments and
High Blood Pressure: Medical information about hypertension, its treatment, therapies and prevention.

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Results from a new study have shown patients taking two Novartis cardiovascular medicines - the recently US-approved drug Tekturna^ (aliskiren) and the

Blood Pressure Medicines -- familydoctor.org
There are 8 types of medicine used to treat high blood pressure. Your doctor will decide which type of medicine is right for you.

What Is High Blood Pressure Medicine?
This Answers by Heart sheet describes how medication can be used in the management of high blood pressure, the types of drugs and their side effects and

Taking Medication for High Blood Pressure
Find out about high blood pressure medications. Here are some drugs used to treat high blood pressure. What Is High Blood Pressure Medicine?


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