Cholesterol Metabolism
pIn order to define cholesterol metabolism we ougth to explain several notions for a better understanding. The effects, causes and possible problems that may be related to cholesterol require special attention. What do we understand by cholesterol? Medical dictionaries explain that cholesterol is a substance that comes from animal-based foods. This substance is processed by the liver and it is an essential building block for healthy cells and nerves while it also serves to producing some hormones. However, the growth of the cholesterol level above the normal level presents high health risks for the heart and the circulatory system. Thus, this body fat is useful in moderate concentrations./p
pMetabolism is the other concept that requires clarification for a full understanding of cholesterol metabolism. All the chemical reactions that happen in the body are known as metabolism. To go a little bit further with the explanation, there are two types of metabolism: building up ndash; anabolism, and breaking down ndash; catabolism. With anabolism, small molecules create large ones, amino acids turn into protein. Obviously the reversed process takes place in catabolism, larger molecules (for example glycogen) get broken down into smaller ones (like glucose)./p
pCholesterol metabolism consists of the sum of the catabolic and anabolic processes that synthesize and break the cholesterol in the system. Serum cholesterol level increases when it is ingested and very quickly absorbed. Although the liver is the cholesterol factory, the ability to synthesize cholesterol is specific to all the body tissues. The more cholesterol is taken in, the less it gets synthesized by the body. The removal of cholesterol from the body is done by bile excretion after it is broken down in the liver./p
pThere is a combination of factors that lead to increased cholesterol levels. Thus, genetic factors, improper diet, a sedentary lifestyle, and, as a result, weight gain, all together become an extreme burden for cholesterol metabolism. High blood pressure, diabetes, hypothyroidism and other health problems can also be a cause for high cholesterol levels. In some cases it is simply the liver which cannot accomplish its tasks. If there is a history of high cholesterol in your family, keep an eye on your health. Unfortunately for those who are predisposed genetically to elevated cholesterol levels, even the toughest low-fat or no-fat diets are of no much use. However there are medicines that can help. In other situations, a proper diet and a lot of physical activity can do much good./p
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