News & Articles atrial fibrillation Too much, too little fish increases atrial fibrillation risk ATHENS, Greece, June 25 (UPI) -- Eating too little or too much of fish may increase the risk of atrial fibrillation, or irregular heartbeat, Danish researchers say. June 25, 2013 - UPI Multicenter European Study to Evaluate CardioFocus HeartLight® System for Persistent Atrial Fibrillation MARLBOROUGH, Mass., June 25, 2013 /PRNewswire/ -- CardioFocus, Inc., developer of the HeartLight® Endoscopic Ablation System for the treatment of atrial fibrillation (AF), announces that its HeartLight ... June 25, 2013 - PR Newswire via Yahoo! Finance U-shaped curve revealed for association between fish consumption and atrial fibrillation Moderation seems to be key when it comes to eating fish to prevent atrial fibrillation (AF) according to a new study. June 24, 2013 - Science Daily