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Cholesterol what is it? It’s a soft, waxy substance found among the fats in your body. Your body needs it because it’s uses it to produce cell membranes, even some hormones, in addition to other body functions. But a excess level of cholesterol in the blood is a significant risk factor for coronary heart disease.
Cholesterol and other fats can’t dissolve in the blood. They have to be transported to and from the cells by special carriers called lipoproteins. There are several kinds, but the ones to focus on are low-density lipoprotein (LDL) and high-density lipoprotein (HDL).
Low density protein or LDL as it is often known is the key carrier of cholesterol with the blood. But if as can happen the levels of LDL become too high it can build up as a plaque like substance blocking the arteries which provide blood to the heart and brain.
This condition is known as atherosclerosis. A clot that forms near this plaque can block the blood flow to part of the heart muscle and cause a heart attack. If a clot blocks the blood flow to part of the brain, a stroke results.
It is estimated that about a third of cholesterol is transported by HDL or High Density Lipoprotein, Scientist have show that this HDL cholesterol actually carries the fatty deposits away from the arteries back to the liver where they are removed from the body.
A number of experts now believe that HDL gets rid of excess LDL cholesterol. For this reason scientist refer to HDL cholesterol as ‘good’ or wanted cholestrol .There is in fact significant evidence to suggest that HDL reduces the risk of heart attacks.
There are 2 ways in which cholesterol is created. Most significant is the liver (amongst other organs) produces around 1,000 mg on a daily basis.
You’ll find cholesterol in many different food products. Foods from animals and animal products contain cholesterol in differing amounts where as foods from plants do not contain cholesterol.
Typically the body makes all the cholesterol it needs, so people don’t need to consume it at all. Saturated fatty acids are the main culprit in raising blood cholesterol, which in turn increases your risk of heart disease.Trans fats also raise blood cholesterol.
On average normal dietary cholesterol for an American male is around 337 milligrams and a significantly lower level for women of around 217 mg daily.
A proportion of the additional cholesterol in the diet is broken down by the liver. But the experts at the American Heart Association suggest that a safer level is around 300 millgrams or less daily and if suffering from heart disease this should be even lower at 200 mg or less.
It should be obvious by reducing the intake of saturated fat and trans fat it is possible to reduce significantly the level of dietary cholesterol. Don’t forget foods high in these fats contain higher levels of dietary cholesterol and there in take should be controlled.
People with severe high blood cholesterol levels may need an even greater reduction. Since cholesterol is in all foods from animal sources, care must be taken to eat no more than six ounces of lean meat, fish and poultry per day and to use fat-free and low-fat dairy products. It’s also a good idea to substitute animal sources of protein with high-quality proteins from vegetable sources such as beans.
WARNING: If you are unsure of your cholesterol level have it checked by your medical practitioner or you can buy a home test kit.
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