Anatomy and Function of the Coronary Arteries Coronary arteries supply blood to the heart muscle. There are two main coronary arteries: the right and the left. Coronary Heart Disease A person with coronary heart disease has an accumulation of fatty deposits in the coronary arteries. These deposits narrow the arteries and can decrease or block the flow of blood to the heart. What You Can Do to Prevent Atherosclerosis Atherosclerosis can be devastating, causing strokes, heart attacks and death. The good news is that you can take steps to protect yourself from this disease. Angina Pectoris Angina pectoris occurs when the heart muscle doesn't receive enough blood and oxygen for a given level of work. Aspirin and Your Heart: Should You or Shouldn’t You? Although aspirin is a common over-the-counter medication, it’s not appropriate for everyone. Learning to Live with Heart Disease Millions of people diagnosed with heart disease enjoy active, satisfying lives. Instead of looking on their diagnoses as sentences to be invalids, they have used them as catalysts to make positive changes in their lives. Understanding Prehypertension Prehypertension is a term that alerts people to the risk of developing chronic high blood pressure if they don’t take timely steps to improve their lifestyle habits. High Blood Pressure/Hypertension High blood pressure, or hypertension, increases the risk for coronary heart disease (heart attack) and stroke (brain attack). Twelve Weeks to a Heart-Healthy Lifestyle Heart disease is a killer, but you can do plenty to reduce your risk and prolong your life. Research shows that making lifestyle changes can decrease your risk of cardiovascular heart disease and help you control it if you already have it. Heart Attack A heart attack occurs when the blood supply is cut off from the heart muscle, usually because of a blood clot. Without blood and oxygen, the muscle cells are damaged and die. Medical Symptoms You Should Never Ignore Some symptoms may indicate the possibility of a serious condition and should be evaluated immediately by a health care provider.