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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Purple Medical Blog: SALT MAKES FOOD TASTE GOOD BUT HIGH SODIUM Sodium is in breakfast food,medicines, bread, soup everywhere! Too much sodium, (as in sodium chloride which is salt) has been linked to high blood pressure Sodium intake and high blood pressure - Revolution Health Sodium intake and high blood pressure. Date updated: July 09, 2007 Merrill Hayden Content provided by Healthwise. Certain nutrients in the diet can affect Blood Pressure: High Sodium and Salt Intake High blood pressure does not exist at all, nor does average blood pressure rise with age in some tribes in Brazil and Papua New Guinea whose sodium intake Sodium Chloride - High Blood Pressure - The Great Salt Myth NHLBI recommends that not only high blood pressure patients but all Americans should sharply reduce their sodium intake, regardless of age, gender or race. Effects of low sodium diet versus high sodium diet on blood To estimate the effects of low sodium versus high sodium intake on systolic and diastolic blood pressure (SBP and DBP), plasma or serum levels of renin, Statement on Sodium Intake and High Blood Pressure | National Statement on Sodium Intake and High Blood Pressure from National Institutes of Health in Health provided free by Find Articles. UpToDate Patient information: High blood pressure, diet, and weight Data indicates that a high sodium intake can lead to high blood pressure. As an example, hypertension rarely occurs in countries where people consume less The Denver Post - Less sodium, lower blood pressure If you have high blood pressure, aim for a daily sodium intake of no more than 1500 to 2300 mg. Don't add salt during food preparation. Blood Pressure, Sodium Intake, Insulin Resistance, and Urinary During high sodium intake, plasma renin activity and aldosterone decreased and plasma atrial dietary ⢠blood pressure ⢠hypertension, sodium dependent High Blood Pressure: Is Salt Really a Culprit? The salt-high blood pressure debate rages on, with new research showing low in minerals such as calcium, potassium, and magnesium than sodium intake. Hypertension, Food/Diet therapy for high blood pressure, High Sodium restriction alone does not improve blood pressure control; it must be accompanied by a high potassium intake. Most of us consume more salt than we Blaming dietary sodium for high blood pressure is too simplistic Many people with mild high blood pressure can indeed control their hypertension by restricting sodium intake. But if you don't suffer from high blood Q&A: How to reduce high blood pressure and restore healthy Another thing you can do, and this is generally better known, is to avoid intake of salt or sodium. Obviously high sodium intake causes high blood pressure. Sodium How Does Sodium Contribute to High Blood Pressure? In a complex way, increased salt intake causes more fluid to be retained in the blood vessels. 8 Tips to Prevent High Blood Pressure Salt and sodium can increase blood pressure, so itâ™s important to read food labels. Reducing your salt intake will help to prevent high blood pressure. Ask the Dietitian - by Joanne Larsen MS RD LD - Salt & Sodium Got questions about Salt Intake and High Blood Pressure? A high potassium level in your body is as dangerous as high sodium. Statement on Sodium Intake and High Blood Pressure NIH News Release: An article about hypertension prevention and management and the intake of sodium. NIH News Release-NHLBI Study Shows Large Blood Pressure Benefit At each of the three levels of sodium intake, blood pressure was lower for those on the DASH diet NHLBI press releases, a high blood pressure Web site, High Blood Pressure Diet Someone with high blood pressure should consult a doctor to see how much sodium should be consumed daily. As a guide, however, 2000 to 3000 milligrams (2 to |
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