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Heart disease

Your heart pumps blood around your body. It is supplied with oxygen by the coronary arteries. In coronary heart disease, these arteries become furred up with fatty deposits, so that not enough oxygen reaches the heart. A person may suffer a heart attack if the coronary arteries become completely blocked. Coronary heart disease is one of the most common causes of death in the Western world.

A human heart.
A human heart.
Wellcome Photo Library

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