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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Postexercise blood pressure reduction in elderly hypertensive BACKGROUND: Although early exercise provokes postexercise blood pressure reduction, the mechanisms underlying this response are not completely understood. Lowering High Blood Pressure: Taijiquan and Qigong High Blood Pressure and Exercise: Taijiquan and Qigong . Lowering High Blood Pressure. Techniques and Exercises from Taijiquan and Qigong Journal of Human Hypertension - Exercise and hypertension In this issue of the Journal of Human Hypertension, Park et al22 assess the relationship of time of day for exercise on blood pressure reduction in dipping News - Post-Exercise Blood Pressure Reduction Clinically Relevant Low-intensity exercise provides a significant reduction in systolic, mean and diastolic blood pressu. The magnitude and duration of ambulatory blood pressure reduction The purpose of this study was to observe the magnitude and duration of the ambulatory blood pressure (BP) reduction following exercise and to identify the The Blood Pressure Reduction Guide Sign up now for the FREE Natural Blood Pressure Reduction Newsletter The benefits of exercise for lowering high blood pressure; And Much, Much More. The Blood Pressure Reduction Guide How to lower your high blood pressure with exercise - you don't have to . If You Grab A Copy Of "The Blood Pressure Reduction Guide" You Will Also Get Exercise and high blood pressure Most people will notice a reduction in their blood pressure within the first ten weeks check with your doctor before starting a new exercise routine. Exercise and High Blood Pressure Reduction This eMedTV page explains the link between exercise and high blood pressure reduction. For example, studies on exercise and high blood pressure reduction High Blood Pressure (Hypertension) - Patient UK For example, a middle aged male smoker who takes no exercise and has high blood pressure has a high risk of developing a cardiovascular disease such as a |
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