“Although higher exercise performance was linked to a lower [AFib] incidence and lower incidence of ischemic stroke and MACE, there are some potential confounders as demographic baseline characteristics worth further study,” added Dr. Keith C. Ferdinand, Gerald S. Berenson Endowed Chair in Preventive Cardiology and Professor of Medicine with the John W. Deming Department of Medicine at Tulane University School of Medicine, who was not involved in the study.