ACE and atrial fibrillation: In the study, we did not detect any interaction between WC and age, New York Heart Association classes I–II, structural heart disease, hypertension, diabetes, atrial fibrillation, angiotensin-converting enzyme inhibitor/angiotensin receptor blockers, beta-blockers, amiodarone, calcium channel clockers, digitalis, statins, and aspirin use in cardiovascular death and all-cause mortality for men (Figures 1(a) and 1(b)).