Smoking causes coronary heart disease, the leading cause of death. Cigarette smokers are 2–4 times more likely to develop coronary heart disease than nonsmokers.
Cigarette smoking approximately doubles a person's risk for stroke.
Cigarette smoking causes reduced circulation by narrowing the blood vessels (arteries). Smokers are more than 10 times as likely as nonsmokers to develop peripheral vascular disease.
Smoking causes abdominal aortic aneurysm.