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Saturday, December 13, 2008

LDL Cholesterol: The Hidden Hand Behind Heart Disease

By Ned Dagostino

Cholesterol is a substance that is found in our blood. It is usually associated with other substances, notably the lipoproteins named LDL and HDL. The association with HDL is good for our health whereas the association with LDL is bad. Let us find out how these associations actually affect our health and how we can guard against their adverse effect on our health.

LDL stands for low density lipoprotein, with the 'lipo' prefix indicating 'fatty'. Similarly HDL stands for high density lipoprotein. The liver produces HDL cholesterol. This HDL cholesterol is used to repair damaged tissue and even to replace the dead tissue. The byproduct of this repairative work is LDL cholesterol. The LDL cholesterol is flushed out of the system by our circulatory and excretory systems. The body has regulatory mechanisms to ensure the proper balance of HDL and LDL cholesterols. However, at times, the level of LDL cholesterol exceeds the normal range and we end up with high LDL cholesterol levels in the blood. This is bad for our health.

LDL means 'fatty proteins of low density'. This in turn means that LDL cholesterol tends to be loose and thick. LDL cholesterol circulates with the blood and sticks to the inner walls of the blood vessels, forming plaque and gradually reducing the vascular passage. This condition is called arteriosclerosis which results in atherosclerosis, meaning degeneration of the blood vessels.

If this situation carries on for a long time, the blood flow is obstructed and the blood pressure increases leading to overloading of the heart. The plaque can accumulate to such an extent that it completely blocks the blood vessel, or it may get dislodged from one location and lodge itself in a narrower blood vessel, like a capillary, creating a blockage there. Blood supply is choked off at that point, and leads to blood starvation in the region beyond the blockage. If this blood starvation occurs in a critical area of the body, as for example in the brain, then we get a crisis. The affected area of the brain shuts down and this leads to a 'stroke' wherein the body experiences paralysis in those areas controlled by the area of the brain which has shut down. If the blood vessels of the heart are affected by blockage, then we get a critical situation known as a heart attack. All this is due to an excess of LDL cholesterol in the blood.

The best way to recover from this situation is to help the body to regulate the amounts of HDL and LDL cholesterol. We can do this by changing over to a low-fat diet, free of foods that are rich in LDL. Some fats, like the omega-3 fats found in fish, are actually helpful in reducing LDL cholesterol. So we should include fish in our diet. Drink a lot of water to increase blood circulation and excretion.

Change your cooking medium from heavy saturated fats to unsaturated fats and oils. Virgin olive oil is good for your heart. These dietary changes will be very beneficial in your battle against heart disease.

Cigarette smoking is bad for health. It harms the body in more than just one way. Smoking increases the level of LDL cholesterol. So quit now and your LDL cholesterol will be gone tomorrow! The steps outlined in this article are very easy to implement. You will avoid the risk of heart disease if you follow them.

High stress environments lead to high levels of LDL cholesterol in the body almost immediately. Learn to deal with stress. When your slave driver calls you up, prepare yourself to remain calm! The mind is the best tranquilizer for you! If possible seek a change of environment for the sake of your health. Health is wealth, and that's for sure!

To sum up, LDL cholesterol can be controlled by eating foods which are free of saturated fats, exercising, quitting smoking and ridding yourself of stress. The worst thing you can do is to panic about high LDL cholesterol levels. This article is meant to educate you about the cause and prevention of heart disease, not scare you. Use what you have learnt in this article to control the LDL cholesterol situation. Once that is under control, you can say that the risk of heart disease is under control.

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