Heart disease is an abnormal condition of the heart and the heart circulation. It is also known as cardiovascular disease which is our nation's number one killer. The coronary arteries supply the heart with oxygen-rich blood. When the arteries narrow, less blood and oxygen flow to the heart. This is called coronary artery disease. Lack of oxygen to the heart can cause angina or a heart attack. Most cases of coronary artery disease are due to atherosclerosis... which is the hardening of the arteries in which fatty deposits build up inside the coronary arteries, restricting blood flow.
Heart disease is the most common, and most preventable heart disease of all coronary artery diseases. One of the most common symptoms is chest pain. When your heart muscle's not getting enough oxygen, it sends out a painful warning signal called angina pectoris and because your heart needs oxygen the most when it is working the hardest, angina is most likely to occur during when you're exercising. If the heart muscle is la
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