Cholesterol is a fatty, viscous substance produced by the liver. This substance has many purposes inside the body and in normal amounts it is benefic for the proper activity of the organism. Cholesterol has a very important role in protecting blood cells from damage, by covering their superficial membrane. The body also uses cholesterol in producing bile acids (which are vital in digestion of fat), vitamin D and hormones (testosterone and estrogen).
The body requires very small quantities of cholesterol to sustain its normal activity. When cholesterol is produced in excess, this substance accumulates in the bloodstream and deposits in different places of the organism. Excess cholesterol adheres to the interior walls of arteries, soft tissues and body organs, obstructing the normal blood flow. Like many other fats, cholesterol cant be dissolved by the blood and therefore it can easily build up inside the body, causing a lot of harm. If cholesterol blocks the coronary arteries it can cause cardio-vascular diseases and even heart-attack.
Many people have high blood cholesterol levels and therefore they are exposed to heart disease. Age, gender and genetic heritage...
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