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Sunday, April 6, 2008

Cholesterol and Cardiovascular Disease

The function of human’s heart is to pump the blood through the body’s circulatory system. The walls of the heart have their own blood vessels.

There are two types of blood vessels: Arteries are the blood vessels that deliver the oxygen and nutrients (include cholesterol). Veins are the blood vessels that carry waste and carbon dioxide away.

A healthy artery is the one which carries the blood containing oxygen and nutrients smoothly like a freeway.

When one has too much cholesterol in their blood steam, the excess cholesterol will start to form a fatty deposit within the arteries wall. This fatty deposit is called Plague. If one does not lower their cholesterol level then this plague will still built up within the arteries wall. If this plaque still continue to build up then the flow of the blood will become slower as blood has trouble flowing through the plaque.

Chest pain can happen when the plaque block a lot of the blood flow, this disease called Angina

If the blockage make the blood cannot deliver the oxygen to the heart, a heart attack can occur.

If the blockage occurs to the blood vessels that go to the brain a stroke can result a stroke.