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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Hairloss Shopping - Grapefruit Juice - Proscar Propecia Viagra Researchers have known since 1989 that when some of the common blood-pressure pills called calcium-channel blockers were washed down with grapefruit juice, U.S. Customs Today - May 2001 - Food and drug interactions For example, taking blood pressure medication with a glass of grapefruit juice could lead to higher levels of the medication in the blood and possibly lead Blood Pressure Medications And Grapefruit If you have high blood pressure, you can expect so many wise minds counseling you and your health! You receive a good advice of drinking grapefruit juice Grapefruit Juice Can Interact With Medicines 8 Questions to Ask Your Doctor About High Blood Pressure, 10 Frequently Asked Questions About Hypertension, Grapefruit Juice: Is it Affecting Your Grapefruit Seed Extract And High Blood Pressure Blood pressure, Use grapefruit seed extract and high blood pressure will be lowered. Grapefruit High Blood Pressure How To Use Grapefruit to Lower High Blood Pressure. blood pressure and grapefruit juice blood pressure and grapefruit juice - June Hughes I first heard of this about ten years ago, when I was overseeing the care of a relative with a damaged Grapefruit Juice and Medications: A Potential for Adverse Events Administration of grapefruit juice in humans results in a decrease in the level Examples include excessive lowering of blood pressure with the calcium High blood pressure (hypertension) - causes, treatments and It turns out that grapefruit juice can directly or indirectly interact in important ways with a number of medications, including high blood pressure Blood Pressure Medicines -- familydoctor.org Information for seniors about blood pressure medicines from the American Academy certain CCBs may need to avoid having grapefruit or grapefruit juice. |
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