[header] How to prevent artery blockage [title] Do not smoke. [step] Smoking not only can clog your arteries, but it can cause lung diseases, such as lung cancer. Cigarettes are made out of more than 4 , 000 chemicals, that not only damage the heart and the lungs, but it can damage your body as a whole. 
[title] Maintain a proper cholesterol level. [step] Cholesterol is the most likely to block one's arteries.