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 FAQs - Virgin Life Care 8. When is the best time to take my blood pressure at the HealthZone? It's best to measure your BP on the Virgin Life Care HealthZone when you are relaxed TIME.com Daily Rx: Wake Up and Take Your Blood Pressure! TIME's daily notes on health and medicine - Wake Up and Take Your Blood Pressure! How to measure blood pressure correctly and get accurate blood When and how often you take readings will depend on your blood pressure. Some people may need to take a number of readings over a short period of time, FAQs Blood Pressure Monitors Try to take your blood pressure measurements at the same time and under the same conditions every day. The ideal time to measure your blood pressure is in Blood Pressure Monitoring at Home -- familydoctor.org Also, measuring your own blood pressure is a good way to take part in managing your health. Choose the type of monitor that best suits your needs. High Blood Pressure People with uncontrolled high blood pressure (hypertension) are at a greater Nighttime is the best time to take a daily aspirin to protect your heart. How To Take A Blood Pressure Care Guide Information Write down your BP, the date, the time, and which arm was used to take the BP. Let the air out of the cuff. Helpful tips:. Do not take a blood pressure on High blood pressure medication: When should I take it Before determining the best time to take your medication, talk to your doctor about any side effects you're experiencing and your blood pressure goals. Best Exercises to Lower Blood Pressure Best Exercises to Lower Blood Pressure. feel healthy and good shape during exercise time that take months to lower to the blood pressure you want. Your High Blood Pressure Questions Answered â” Blood Pressure Variance Why does my blood pressure vary so much? It seems that every time I take it, The best way to get an accurate blood pressure reading is to monitor your Checking Your Blood Pressure at Home Also try measuring your blood pressure at about the same time each day. (It's best to take your blood pressure from your left arm, if possible. |
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