Low-density lipoproteins (LDL) turns “bad” when there’s too much of it in circulation, due to a diet rich in saturated fats, one with too many calories, or a genetic problem. Some of the excess LDL ends up in the inner lining of arteries, where it undergoes a chemical transformation known as oxidation.

Hypercholesterolaemia does not cause any symptoms but may eventually lead to heart attack, peripheral artery disease, or stroke due to atherosclerosis.

• Eating a diet high in saturated fat: Processed meats and animal products in particular
• Inactivity
• Obesity
• Smoking: