Association of Quantity and Duration of Smoking with Erectile Dysfunction: A Dose-Response Meta‐Analysis

Evidence from observational studies suggests that there is a positive dose-response association between quantity and duration of smoking and risk of ED. Cao S, Gan Y, Dong X, Liu J, and Lu Z. Association of quantity and duration of smoking with erectile dysfunction: A dose-response meta‐analysis. J Sex Med 2014;11:2376-2384.