Chances are that you or someone you know has been diagnosed with coronary heart disease, which is caused by narrowing of the arteries that feed the heart. When arteries become narrowed or clogged by fat and cholesterol, they cannot supply enough blood to the heart. This can result in chest pain and, if totally blocked, a heart attack. A person with coronary heart disease has a much higher risk of having a heart attack than someone without heart disease.

Your blood cholesterol level has a lot to do with your chances of getting heart disease. It is important to know what your blood c...

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