In a recent article published in the Journal of the American Medical Association on November 9, 2025, researchers examined the effect of coffee consumption on the recurrence of atrial fibrillation ...

A randomized clinical trial found that among people with a history of Atrial fibrillation (AFib) or related rhythm issues, drinking at least one cup of caffeinated coffee daily was associated with a ...

Here’s what they found, plus some key limitations.