What is coronary heart disease? Cardiovascular disease is pertaining to the heart and blood vessels and is a disorder of the coronary arteries that supply blood to the heart muscle. If these are damaged or blocked, the oxygen to the heart muscle is reduced, the heart stops contracting, and the person has a heart attack. This can cause instant death, if a large part of the heart is affected, or if it is less serious …showed first 75 words of 662 total…

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