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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High Blood Pressure Headache at wego health Reviews the association between high blood pressure and headaches. It reviews the history of the association, symptoms and treatments. Blood pressure and risk of headache: a prospective study of 22 685 Objectives: Prevalence studies of the association between blood pressure and headache have shown conflicting results. The aim was to analyse the relation Frequently asked questions A high blood pressure (systolic pressure of 190 mmHg) was measured. Later every use of cannabis also resulted in headache and significant increase of blood MedlinePlus Medical Encyclopedia: High blood pressure (Hypertension) Hypertension is the term doctors use for high blood pressure. If you have a severe headache or any of the symptoms above, see your doctor right away. What is blood pressure? What are the symptoms of high blood pressure? Headaches & High Blood Pressure. Is Headache Related to Increases of Blood Pressure? lifeclinic.com - Related Articles Headache is generally regarded as being a symptom of high blood pressure, although it is also stated that hypertension is the Áœsilent killerÁ«. High Blood Pressure: Heart and Blood Vessel Disorders: Merck Occasionally, severe high blood pressure causes the brain to swell, resulting in nausea, vomiting, worsening headache, drowsiness, confusion, seizures, The High Blood Pressure Headache Connection Á“ Truth or Lie? The High Blood Pressure Headache Connection Á“ Truth or Lie? Headache Australia - Headache Types A sudden onset of severe headache that can be caused by migraine, orgasm, or a rapid elevation of blood pressure but a cerebral haemorrhage must be excluded Headache and Hypertension -- Something Old, Something New In addition, people who experience headache are more likely to seek medical care, and thus to have their blood pressure checked. Headache and the Eye Headache from elevated blood pressure may be accompanied by bilateral disk swelling, a variant of malignant hypertension, in which medical treatment may The Blood Pressure Reduction Guide Sick & Tired of Being Worried About High Blood Pressure? If So, This Could Be The Most Important Website You'll Ever Read. Pheochromocytoma: high blood pressure, headaches, and anxiety. Web's most complete pheo site. Pictures and x-rays help explain this adrenal tumor. Symptoms, diagnosis, and treatment options including laparoscopic High Blood Pressure (Hypertension) - Symptoms, Causes, Diagnosis Malignant hypertension may be associated with headache, lightÁ“headedness, or nausea. This degree of high blood pressure requires emergency hospitalization Blood-pressure-lowering drugs can also prevent headaches Blood-pressure-lowering drugs can also prevent many headaches, according to a meta-analysis reported in Circulation: Journal of the American Heart Anxiety | Depression | Arthritis | Blood Pressure | Headache Find a comprehensive index of trusted health and medical information. It is your ultimate guide to reliable health, Search drugs by brand or condition, National Headache Foundation: Hypertension High blood pressure can cause headache, but in general is not the cause of recurring headaches. Blood pressure usually has to be quite elevated to cause Headache Headaches may be among the first symptoms of hypertension, or high blood pressure. This headache is often located at the back of the head and is usually Blood Pressure Drugs Prevent Headaches The key to better headache treatment may lurk in common blood pressure-lowering drugs. |
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