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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Warm water no better at killing germs than cold -- dailypress.com Warm water works faster and is more effective than cold water for rinsing off germs. I myself was put on this medicine for high blood pressure and Decongestants Pose Potential Risk to High Blood Pressure Sufferers Coricidin HBP(R), the only line of cold and flu medications formulated to be decongestant free for high blood pressure sufferers, is a safe and effective Healthy People Library Project: The Science Inside:E-Book Series Cold and Flu Medication for People with High Blood Pressure American Heart Association Lists cold and flu medicines that may be safer for those who suffer Stress and high blood pressure: What's the connection? - CNN.com High blood pressure: Get the most out of home monitoring . Factors that can cause high blood pressure · Cold weather: Bad for your blood pressure? What kind of cold meds. can i take with high blood pressure i have a cold and i know there are certain meds i USATODAY.com - With high blood pressure, cold raises risk to heart People with high blood pressure seem to be more vulnerable to heart attacks when the temperature drops, new research shows. OTC Cold Meds and High - Blogs - Revolution Health OTC Cold Meds and High Blood Pressure. Posted on 12:12PM (EST) on 2006-11-01. The OTC cold medicines available now contain a new formulation which along Cold and Flu Medication for People With High Blood Pressure About 72 million US adults have high blood pressure. If you're one of them, watch your use of over-the-counter cold and flu medications. Common Misconceptions People with high blood pressure should know that taking certain cold, cough and flu medications could be dangerous. Decongestants have been reported to Cold Weather Hikes Blood Pressure, UF Scientist Warns People especially at risk include those with high blood pressure, also known as . investigating why cold weather causes blood pressure increases, Are Cold Remedies Enough to Raise Blood Pressure? Also, the AHA says there is a new generation of cold, cough and flu medications designed just for people with high blood pressure. |
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