Coronary heart disease (CHD) describes a spectrum of diseases ranging from coronary atherosclerosis and myocardial infarction to post-infarct heart failure, and it continues to be a leading cause of morbidity and mortality among adults worldwide .
The risk factors of CHD include high blood pressure,smoking, high cholesterol (TC), high LDL-C, low HDL-C,and diabetes. With more knowledge about the risk factors,
modification of lifestyle,modern pharmacology, and coronaryintervention, the number of CHD-associated deaths has been steadily reduced in past decades. However, as an