Cholesterol is a fat (also called a lipid) that your body needs to work properly. Cholesterol levels that are too high can increase your chance of getting heart disease, stroke, and other problems.
The medical term for high blood cholesterol is lipid disorder, or hyperlipidemia.
Lipid disorders; Hyperlipoproteinemia; Hyperlipidemia; Dyslipidemia; Hypercholesterolemia
Causes, incidence, and risk factors
There are many types of cholesterol. The ones talked about most are:
Total cholesterol - all the cholesterols combined
High density lipoprotein (HDL) cholesterol - often called "good" cholesterol
Low density lipoprotein (LDL) cholesterol - often called "bad" cholesterol
For most people, abnormal cholesterol levels are the result of an unhealthy lifestyle -- most commonly, eating a diet that is high in fat . Other lifestyle factors are:
Heavy alcohol use
Lack of exercise ...
Introduction Lipids are the building blocks of the fats and fatty substances found in animals and plants. They are microscopic layered spheres of oil, which, in animals, are composed mainly of cholesterol, triglycerides, proteins (called lipoproteins), and phospholipids (molecules made up of phosphoric acid, fatty acids, and nitrogen). Lipids do not dissolve in water and are stored in the body to serve as sources of energy. Cholesterol Cholesterol is present in all animal cells and in animal-based foods (not in plants). In spite of its bad press, cholesterol is an essential nutrient necessary for many functions, including: Repairing cell membranes Manufacturing vitamin D in the skin Producing hormones, such as estrogen and testosterone Possibly helping cell connections in the brain that are important for learning and memory Regardless of these benefits, when cholesterol levels rise in the blood, they can have dangerous consequences, depending on the type of cholesterol. Although the body acqu...
A reader recently asked if eating a significant amount of fiber can diminish the effect of Lipitor (atorvastatin) in reducing cholesterol levels. I am not aware of any negative effect of fiber on the absorption or the effects of the statins on lowering cholesterol. Statins including Lipitor can cause gastrointestinal side effects such as diarrhea and interestingly, constipation as well. The mechanism is not completely understood. What I am quite aware of is the overall positive effects of fiber in improving cholesterol levels including evidence to support that fiber can enhance a statin’s effectiveness. Fiber can improve cholesterol levels in several ways. One often overlooked benefit of eating fiber is that it can easily act as a substitute for a potential damaging food . For example, we know that we should minimize the intake of trans and saturated fats . But, we still need to eat something to satisfy our hunger as well as give us our daily supply of energy. If w...
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