Can Atrial Fibrillation Patients Drink Coffee? New JAMA Study Overturns Old Beliefs: One Cup a Day Cuts Recurrence Risk by 39%
Atrial fibrillation (AFib) — the most common type of cardiac arrhythmia — affects more and more people every year. It’s estimated that about one in three people will experience it at some point in their lives. Coffee, on the other hand, is one of the most widely consumed beverages in the world and has long been labeled a “forbidden drink” for AFib patients. Many believe it can trigger arrhythmia, and doctors have traditionally advised patients to limit their intake. However, a groundbreaking new study just published in The Journal of the American Medical Association (JAMA) on November 9, 2025, by researchers at the University of California, San Francisco, challenges this long-standing belief — suggesting that AFib patients may no longer need to give up their daily cup of coffee. Before this study, the link between coffee and AFib had been hotly debated. Some recent observational studies suggested that coffee drinkers didn’t have a higher risk of AFib — and might even have a lowe...