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. |
| caffeine affects blood pressure |
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Erowid Caffeine Vault : Effects Information about the mental and physical effects of Caffeine. important risk factors such as age, smoking habits, serum cholesterol and blood pressure. BBC NEWS | Health | Caffeine 'does not raise blood pressure' A Swiss study indicates that the caffeine contained in coffee is not, as was widely thought, responsible for raising blood pressure. Effects of caffeine on blood pressure, heart rate, and forearm Systolic blood pressure and MAP were also higher during exercise plus caffeine; however, these increases were secondary to the effects of caffeine on Morning Coffee Boosts Blood Pressure, Stress Hormones Throughout A review of nine major studies of blood pressure and heart-disease risk showed that a "You can measure how caffeine affects people in the laboratory, Hypertension Risk Status and Effect of Caffeine on Blood Pressure Abstractâ”We compared the acute effects of caffeine on arterial blood pressure (BP) in 5 hypertension risk groups composed of a total of 182 men. Effect of Caffeine on Blood Pressure Beyond the Laboratory Caffeine was reported to increase blood pressure 70 years ago.1 Research into the cardiovascular effects of caffeine entered the modern era with a 1978 New buzz on coffee: It's not the caffeine that raises blood pressure Swiss scientists studying caffeineâ™s effects in a small group of people report markedly elevated blood pressure and increased nervous system activity when Arch Intern Med -- Abstract: Effects of caffeine on blood pressure Effects of caffeine on blood pressure. M. G. Myers Division of Cardiology, Sunnybrook Medical Centre, Toronto, Ontario, Canada. Caffeine Raises Blood Pressure, Lowers Heart Rate In Kids Caffeine Raises Blood Pressure, Lowers Heart Rate In Kids. Coffee, caffeine and blood pressure: a critical review Controlled clinical and epidemiologic studies on the blood pressure effects of coffee or caffeine are reviewed. We also refer to studies on the possible || DukeMedNews || Caffeine's Effects are Long-Lasting and Compound The study also showed that while caffeine increases blood pressure and heart rate, it also amplifies those effects at the times when participants report Caffeine and Blood Pressure: Keeping a Finger on the Pulse of Many studies report that regular consumers of caffeine develop a tolerance to it, and consequently, it does not have long-term effects on blood pressure. Go Ask Alice!: Does caffeine raise blood pressure? Dear Alice, Does caffeine raise your blood pressure? Managing high blood pressure through diet · Caffeine's effects on health · Blood Pressure Numbers Go Ask Alice!: Caffeine's effects on health I am wondering what the effects of the caffeine are doing to my body. High blood pressure; Premenstrual syndrome (PMS); Ulcers and heartburn Caffeine Effects on the Heart, and Heart Disease The effects of caffeine on ambulatory blood pressure, heart rate, and mood in coffee drinkers. Journal of Behavioral Medicine. 19(2):111-28. How caffeine affects your body, mind and emotions Caffeine affects each person differently, depending on individual circumstances such Raises blood pressure. 6. Causes your stomach to produce more acid Caffeine and Your Blood Sugar Caffeine affects the nervous system, can make you feel more alert, keeps you awake at night and causes a temporary rise in your blood pressure. Caffeine: How does it affect blood pressure? - MayoClinic.com Caffeine can temporarily increase blood pressure, but its long-term effects on blood pressure are unclear. Caffeine: How does it affect blood pressure? - Yahoo! Health Caffeine can increase blood pressure temporarily. But it's unclear whether it has a long-term effect on blood pressure. |
| caffeine affects blood pressure |
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