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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Science Links Japan | The effects of hostility on blood pressure In contrast to earlier studies, hostility was a predictor of lower diastolic blood pressure in men. In addition, the hypothesis on depression was not Low blood pressure and depression in the elderly -- Stewart 177 (2 Paterniti et al (2000) report welcome prospective data showing that low blood pressure precedes depression in older people rather than vice versa. Low Blood Pressure and Depression Further studies will be needed to discern any relationship between low blood pressure and depression and anxiety. At this point, the researchers arenâ™t Depression, High Blood Pressure in Men A study from The Johns Hopkins University School of Nursing concludes depression may sabotage efforts to control high blood pressure in urban, Blood Pressure : Natural Depression Remedy : Holotropic Herbs.com Natural depression remedy protect the body against heart disease, certain types of cancers and other chronic illnesses. Sleep apnea can cause depression and high blood pressure Medical news summary describing Sleep apnea can cause depression and high blood pressure in relation to symptoms, diagnosis, misdiagnosis and treatment. Adult Depression: Effective Treatments Patients with Major Depression may be treated with medication, . Some side effects seen with MAO inhibitors include: low blood pressure (feeling faint) Ask an Expert: Low Blood Pressure and Fatigue/Depression I just recently read an article citing a possible correlation between low blood pressure and fatigue/depression. Do you have any more information on this Low Blood Pressure and Depression - Journal Watch Women's Health A depressive syndrome associated with a systolic blood pressure of less than 120 mm Hg has been reported in the European medical literature; its symptoms Low blood pressure and depression in older men: a population based Main outcome measures : Mean scores on Beck depression inventory and prevalence of scores >= 13. Results - Men with diastolic blood pressure <75 mm Hg had Low blood pressure At this time, it was thought that low blood pressure was a major cause of depression and tiredness. Many people were quite wrongly treated for low blood Depression Appears To Be Linked To Reduced Blood Pressure Control Cardiologists have long noted that many heart patients suffer from depression, but it has always been a chicken-and-egg issue: which came first, Blood Pressure Drug May Curb Brain Damage From Alzheimer's Blood Pressure Drug May Curb Brain Damage From Alzheimer's, Depression And Schizophrenia. ScienceDaily (Nov. 7, 2007) â” A drug used to treat high blood Anxiety But Not Depression Is Associated With Elevated Blood The relationship between depression and blood pressure is more controversial. .. Low blood pressure and depression in older men: a population based study DEPRESSION TIED TO HYPERTENSION BY FAMILY HISTORY Higher blood pressure is linked to depression, but only in people with a family The roots of the relationship between high blood pressure and depression Depression and High Blood Pressure | Caremark Health Resources Can depression and anxiety help cause hypertension? ⢠How can mood affect blood pressure? ⢠Can treatment for depression help prevent hypertension? Depression may worsen high blood pressure Depressed people with high blood pressure are less likely to have their blood pressure under control than those who are not depressed, researchers reported Depression Tied to Hypertension by Family History Blood pressure is linked to depression, but only in people with a family history of hypertension, a new study finds. People whose parents did not have high Aging: Blood Pressure Medication and Depression There can be many causes for depression. One possibility that should always be considered is side effects of medication for high blood pressure. |
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