Smoking is the dominant risk factor for abdominal aortic aneurysm in both men and women. In the linked cohort study from the women’s health initiative, Lederle and colleagues assess the potential risk factors for clinically relevant abdominal aortic aneurysm in 161 808 postmenopausal women. They show that current smokers have a four times greater risk of abdominal aortic aneurysm events and all those who have smoked more than 100 cigarettes have a twofold increase in risk, even if they have given up smoking.1

Smoking increases the relative risk of abdominal aortic aneurysm four times in both men and women, and the risk for ischaemic heart disease or peripheral arterial disease is increased twofold.2 Previous studies have associated both early onset of smoking and total …