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 Information - Causes Of High Blood Pressure Dizziness; Nervousness; Fatigue and weakness; Restlessness; Insomnia; Nose bleeding; Emotional instability. >> Home Remedy for High Blood Pressure High Blood Pressure, Hypertension, High Cholesterol Forum - Nose High Blood Pressure, Hypertension, High Cholesterol Forum - Nose Bleed In Hypertension Nose Bleeds And High Blood Pressure Posted: 01-10-04 19:31pm 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 - What to do when your nose bleeds These two things work together - nose picking occurs more often when to high blood pressure, kidney disease, daily aspirin use or bleeding disorders. 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 Nosebleed - Yahoo! Health Bleeding in the back of the nose (posterior epistaxis) may cause a heavy nosebleed You might not know you have high blood pressure until it causes a Nose Bleeds Epistaxis- Kevin Kavanagh In adults, nose bleeding may be severe. Often caused by high-blood pressure. Decongestants should be used with caution since they may aggravate existing Nosebleeds: What to Do When Your Nose Bleeds -- familydoctor.org Keeping your head above your heart will make your nose bleed less. due to high blood pressure, atherosclerosis, daily aspirin use or bleeding disorders. Nosebleeds: First aid - MayoClinic.com It may be caused by hardened arteries or high blood pressure. you reduce blood pressure in the veins of your nose. This discourages further bleeding. NOSE BLEEDS - EPISTAXIS - Information about NOSE BLEEDS - EPISTAXIS If such a cold follows nasal surgery, this may cause severe bleeding. High blood pressure or heart failure can cause nose bleeds; the former because of |
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