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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nose bleed & high blood pressure - ABC Homeopathy Forum ABC Homeopathy Forum- nose bleed & high blood pressure. Nose Bleeds: Overlooked Causes and Treatments of Epistaxis While I knew that high blood pressure could cause nose bleeds, what I found out from my physical therapist was that in my case I had localized high blood Natural Remedies for High Blood Pressure Learn about natural remedies for high blood pressure, such as herbs, diet, blood pressure can include:. Dizziness or dizzy spells; Headache; Nosebleeds Nosebleeds (epistaxis) If the bleeding is caused by another disease, such as increased blood pressure, it is very important to seek treatment to avoid recurrence of nosebleeds. Nose Bleeds Posterior nosebleeds are more likely to occur in older people, persons with high blood pressure, and in cases of injury to the nose or face. MedlinePlus Medical Encyclopedia: Nosebleed Repeated nosebleeds may be a symptom of another disease, such as high blood pressure, allergies, a bleeding disorder, or a tumor in the nose or sinuses. NOSEBLEEDS (EPISTAXIS) - a guide for patients Nosebleeds (epistaxis) can be frightening and in some cases dangerous. Blood dyscrasias * Heart failure (due to an increase in venous pressure) Nosebleeds: First aid - MayoClinic.com It may be caused by hardened arteries or high blood pressure. These nosebleeds begin spontaneously and are often difficult to stop. Nose Bleeds Epistaxis- Kevin Kavanagh Control of a nose bleed - epistaxis videos. is posterior or from the back of the nose. The bleeding is usually associated with high-blood pressure. NOSE BLEEDS - EPISTAXIS - Information about NOSE BLEEDS - EPISTAXIS High blood pressure or heart failure can cause nose bleeds; the former because of raised pressure in arteries, the latter because of raised pressure in Nosebleeds: What to Do When Your Nose Bleeds -- familydoctor.org Nosebleeds can also be a sign of blood clotting disorders and nasal gauze or an inflatable latex balloon into the nose so that enough pressure is placed |
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