Dr. Arthur Menezes from the John Ochsner Heart and Vascular Center in New Orleans, LA, examines the risk factors of atrial fibrillation in an article appearing in the April 2013 issue of Mayo Clinic Proceedings, most notably involving metabolic syndrome, obstructive sleep apnea, alcohol consumption, extreme exercise, increased vitamin D, and possibly Omega-3 Polyunsaturated Fatty Acids. Available at: http://tinyurl.com/d8qsnfm