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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Blood pressure dropped when pill taken at night: study Taking a blood pressure pill at bedtime instead of in the morning might be healthier for some high-risk people. Timing of blood pressure pills matters - Heart health- msnbc.com When it comes to blood pressure, you want to be a dipper. In healthy people, blood pressure dips at night, by 10 to 20 percent. Scientists don't know why, B-Health » Taking Blood Pressure Pills at Night People with hypertension who donâ™t experience this blood pressure dip at night are more likely to develop serious heart disease than other hypertension High blood pressure during night >> Medical Questions, Weight Loss Hi, my father is 56 years old and he is suffering from high blood pressure. Several times he woke up in the middle of the night complaining that he didn’t FOXNews.com - Taking High Blood Pressure Pills at Night May Be Taking High Blood Pressure Pills at Night May Be Better for Some, Taking a blood pressure pill at bedtime instead of in the morning might be healthier for Ambulatory Blood Pressure Monitoring - Patient UK Day and Night blood pressure:There is some evidence that night time blood In hypertensive patients the blood pressure may fall at night - leading to Body Rhythms Hypertension High Blood Pressure - High Blood Hypertension or high blood pressure (arm pressure greater than 140/90 mmHg when measured in three separate occasions) is a silent killer. Blood pressure treatment based on daily body rhythm? --- HealthandAge People with high blood pressure whose blood pressure at night drops below their daytime pressure are called "dippers". If their blood pressure doesn't drop High blood pressure at night - Stroke Rehabilitation - MedHelp This is a discussion on MedHelp about High blood pressure at night. Community members of MedHelp provide help, support, guidance and discussion around the Why Your Blood Pressure Should Drop at Night 6/2/05 What does it mean for your health if your blood pressure isn't dropping at night? Skimpy Sleep May Up Blood Pressure Middle-aged adults may help their blood pressure by getting at least six nightly pressure (hypertension) if they slept less than six hours per night. People who sleep on their stomachs have lower night time blood Yasuharu Tabara of Ehime University School of Medicine in Ehime, Japan, noted that high blood pressure during the night can increase the risk of a night High blood pressure remedy Pressure Control herbal combination made all the difference. I now sleep at night, no more night sweats, my blood pressure is in a safe range and I feel so High blood pressure at night - Health & Wellbeing High blood pressure at night may better predict the risk of heart attack or stroke than a high daytime level. BBC NEWS | Health | Sleep drug lowers blood pressure The drug, often touted as a jetlag "cure", is linked to the natural cycle leading to drops in heart rate and blood pressure during the night. Home Blood Pressure Monitoring Patient Instructions - UMHS Blood pressure tends to be lower at night and lowest when we are sleeping. Blood pressure may vary by 50-70 mmHg for systolic (the upper number) and 20 mmHg Early to Riseâ”Morning Blood Pressure Predicts Stroke In healthy individuals, blood pressure has a diurnal pattern, falling during the night and rising during the early morning hours prior to awakening. ABC of hypertension: Blood pressure measurement -- O'Brien et al Although in practice the average day (or night time) blood pressures are used to govern decisions, the clinical use of ambulatory blood pressure measurement eMJA: Ambulatory blood pressure monitoring Reports may also include ABP "loads" (percentage area under the blood pressure curve above set limits) for daytime and night-time periods. |
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