what are the causes of coronary heart disease
Coronary heart disease is caused by any problem with the coronary arteries that keeps the heart from getting enough oxygen-and nutrient-rich blood. The most common cause by far is atherosclerosis. Lack of sufficient blood is called ischemia, so coronary heart disease is sometimes called ischemic heart disease.oronary heart disease is caused by any problem with the coronary arteries that keeps the heart from getting enough oxygen-and nutrient-rich blood. The most common cause by far is atherosclerosis. Lack of sufficient blood is called ischemia, so coronary heart disease is sometimes called ischemic heart disease.