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Heart Disease
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What is atherosclerosis?
Atherosclerosis is the build up of cholesterol and fat in walls of
the arteries, otherwise known as hardening of the arteries. |
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What is coronary
heart disease?
Heart disease is caused by narrowing of the coronary arteries that
feed the heart. Like any muscle, the heart needs a constant supply
of oxygen and nutrients, which is carried to it by the blood in the
arteries. When the coronary arteries become narrow or clogged by cholesterol
and fat deposits - a process called atherloscerosis - and can not
supply enough blood to the heart, the result is coronary heart disease
(CHD). If the blood supply to a portion of the heart is completely
cut off the result is a heart attack. |
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