What causes LDL cholesterol to be high?

High LDL cholesterol may be caused by non-pathological factors and pathological factors, as follows: 1. Non-pathological factors Non-pathological factors include unbalanced intake of more fat, smoking or drinking, strenuous exercise, overweight or obesity, etc. These conditions may lead to high LDL cholesterol. 2. Pathological factors Hepatitis, atherosclerosis, hypertension, acute myocardial infarction, coronary heart disease, nephrotic syndrome, renal failure and other pathological factors will lead to low density lipoprotein receptor damage, so that low density lipoprotein cholesterol appears elevated phenomenon.