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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Blood Pressure Monitors: advice on accurate blood pressure monitors Independent advice about buying an accurate home blood pressure monitor. Visit their site to see where you can have you blood pressure checked for free. Getting my Blood Pressure checked!!! by AllenFabulous -- Revver A video by AllenFabulous - I was going to get my blood pressure checked, but out of nowhere came out one of my friends from highschool =) Small world!!! High Blood Pressure and Heart Attack Have your blood pressure checked by a health care provider at least once a year. Even children should have their blood pressure checked as part of their What is High Blood Pressure, and How do I Lower It? - American Blood pressure is the force of blood flow inside your blood vessels. When you have your blood pressure checked, remember to ask what it is. Quick Guide for Kids: Having Your Blood Pressure Checked Information for children and young adults about getting their blood pressure checked, what the process is, what pressures should be at different ages, Discovery Health :: Center Article :: Should I Have My Blood If you have other risk factors for heart disease or if you have heart disease, it's important to get your blood pressure checked at least once a year. The Stroke Association - Steps to reduce your risk You may not know if you have high blood pressure, so you should have it checked regularly. (A normal healthy adult blood pressure is less than 140/90mmHg.) Celebrate the New Year: Get Your Cholesterol and Blood Pressure Fit's Tips: While you're at it, encourage your family and friends to get their cholesterol and blood pressure checked too. It could save the life of someone Advanced chronic kidney disease (CKD): percent of patients with This measure assesses the percent of patients with blood pressure checked at every erythropoietin or analogue dose among patients with advanced chronic Free health care for needy at food bank - Diet and nutrition David Thomas, left, gets his blood pressure checked by Parish Nurse and program coordinator Brenda Buchanan, right, at a clinic that works with the New Life Common Misconceptions Learn more about getting your blood pressure checked. 2. Every time I go to the doctor, High blood pressure can only be detected by having it checked. NHLBI, CHD in Blacks, Prevent High Blood Pressure Your blood pressure should be checked by your health care provider at least once each You can have your blood pressure checked at your doctor¹s office, Hypertension (High Blood Pressure) Most teens will have their blood pressure checked during an annual physical exam. Doctors recommend that older teens with normal blood pressure get their Should I Have My Blood Pressure Checked? Who should have their blood pressure checked, and how often should blood pressure checks be performed? Learn the answers to these questions and other High Blood Pressure: Things You Can Do to Help Lower Yours Even in children, blood pressure should be checked occasionally, After age 21, have your blood pressure checked at least once every 2 years. Video: How to monitor your own blood pressure - MayoClinic.com When it contracts, or beats, it sends a surge of blood through the vessels, increasing blood pressure. This is called systolic pressure. Measuring Blood Pressure, what the numbers mean. This is why it is important to have your blood pressure checked regularly. Even if your blood pressure is 'normal', ie, below 140/90mmHg, Blood Pressure The only way to find out if you have high blood pressure is to have your blood pressure checked. Your doctor or other qualified health professional should |
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