saturated and unsaturated fatty acids. Saturated fatty acids - which come from animal fats (meat‚ lard‚ dairy products) as well as tropical oils such as coconut and palm oils - raise the levels of LDL cholesterol. Unsaturated fats - which come from vegetable oils - in general‚ do not increase cholesterol levels‚ and may reduce them. Because saturated fatty acids were found to be bad for you a couple decades ago‚ the food industry wanted to switch to using unsaturated fatty acids. Unfortunately‚ unsaturated
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Statin drugs are some of the most effective drugs in the battle against high cholesterol. They are the most efficacious in lowering LDL cholesterol. Furthermore‚ recent studies have shown that statins are capable of preventing heart attacks and reducing the risk of strokes. However‚ statins are only recently gaining public attention though they have been available for many years. Various cholesterol-lowering agents had been discovered during the 1950s and 1960s. However‚ the majority had unwanted
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answer the questions that follow. WHY NUTS ARE GOOD FOOD Benefits Lower cholesterol (pecans and almonds) What they do • Polyunsaturated fat in nuts lowers LDL‚ or bad cholesterol levels. • Monounsaturated fat raises good HDL cholesterol levels. What studies show • People who ate almonds had lower levels of LDL cholesterol and higher levels of HDL. • People who added a handful of pecans to their daily diets lowered their cholesterol by 11.3%. Protect the heart (peanuts and walnuts) • Polyunsaturated fat
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Receptor-mediated endocytosis Receptor-mediated endocytosis is an important mechanism the body uses to remove cholesterol from the bloodstream. Persons with the inherited disease hypercholesterolemia lack normal LDL receptors and as a consequence‚ have dangerously high levels of circulating cholesterol. Their cells cannot remove circulating LDL particles‚ and so the load of cholesterol tends to accumulate on the walls of their arteries‚ which eventually blocks blood flow. Mammalian cells use receptor-mediated
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or bacon grease. Knowing this dietary preference‚ you anticipate his total cholesterol level to be Your answer : b. abnormally high. Stop & Think Questions: What health problems might be in store for patient 2 (based on the results)? You correctly answered: e. All of these health problems might be in store for patient 2. Experiment Data: Blood sample Approximate Total Cholesterol (mg/dl) Cholesterol Level 1 150 desirable 2 300 elevated 3 150 desirable 4 225 borderline
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------------------------------------------------- Lipid Structures of some common lipids. At the top are cholesterol[1] and oleic acid.[2] The middle structure is a triglyceride composed of oleoyl‚ stearoyl‚ and palmitoyl chains attached to a glycerol backbone. At the bottom is the common phospholipid‚ phosphatidylcholine.[3] Lipids constitute a broad group of naturally occurring molecules that include fats‚ waxes‚ sterols‚ fat-solublevitamins (such as vitamins A‚ D‚ E‚ and K)‚ monoglycerides
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muscle both prefer to use fatty acids as their main energy source. Cholesterol and fat are used to replenish the body and should come from dietary sources. Cholesterol has multiple functions‚ one being in aiding in the structure of the cell membrane and helping it maintain permeability. The inside of a cell needs the cholesterol to help function normally as well. Cell growth becomes disrupted when the body becomes depleted of cholesterol. Such a disruption in growth can lead to cancer which is caused
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Subject 1:The 50 year-old man‚(HDL) cholesterol =30mg/dl‚ Which is an undesirable level of HDL is any level below 40 mg/dL (1.04 mmol/L). In this case‚ low HDL levels may help to contribute to heart disease. low-density lipoprotein (LDL) cholesterol = 160 mg/dL‚ LDL levels between 160 – 189 mg/dL (4.14 - 4.90 mmol/L) are considered high. triglycerides = 300 mg/dL‚ Levels between 200-499 mg/dL (2.26-5.63 mmol/L) are considered high. This 50 year-old man is at high risk for heart attack‚stroke
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lipoprotein physiology and metabolism (Chapter 15). - Lipoproteins are a biochemical formation that aid with the transporting of lipids. The four major pathways include Lipid absorption pathway‚ exogenous pathway‚ endogenous pathway and reverse cholesterol transport pathway. All of these pathways are dependent on a particular particle know as apo-B that contains lipoproteins which‚ functions as a transport for dietary and Hepatic lipids to the outer layers of the cells. During the metabolism of these
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Journal of New Sciences Volume 3(1). Published March‚ 01‚ 2014 http://www.jnsciences.org Research open acess Effect of feeding hens with fenugreek seeds on Laying performance‚ egg quality characteristics‚ serum and egg yolk cholesterol H. ABDOULI 1* M. HAJ-AYED 2 S. BELHOUANE 1 E. HCINI EMNA 1 1 Department of Animal production‚ ESA Mateur‚ Carthage University ‚ Tunisia 2 Department of Animal production‚ ISA Chott Mariem‚ Sousse University ‚ Tunisia * Corresponding author: abdoulihedi@gmail
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