Does Dr. Jeremy London's research show that coffee is good for atrial fibrillation?

Yes, a recent randomized trial led by Dr. Jeremy London found that patients with atrial fibrillation who drank at least one cup of coffee per day had a 39% lower chance of recurrent atrial fibrillation compared to those who avoided coffee.

What was the traditional medical advice for atrial fibrillation patients regarding coffee?

For decades, doctors have told patients with atrial fibrillation to avoid caffeine and coffee, believing it would negatively affect the heart rhythm and trigger more episodes.

What does Dr. Jeremy London say about the new findings on coffee and atrial fibrillation?

Dr. London cautions that this is just one study with a small sample size, but the results suggest that the morning cup of coffee may actually be protective, not dangerous, for atrial fibrillation patients.

Home / Health / Cardiologist Debunks Decades-Old Myth: Coffee Not Harmful for Atrial Fibrillation

Cardiologist Debunks Decades-Old Myth: Coffee Not Harmful for Atrial Fibrillation

18 Nov, 2025

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Summary

Randomized trial finds coffee drinkers had 39% lower chance of recurring atrial fibrillation
Decades-old advice to avoid coffee for atrial fibrillation patients may be unfounded
Cardiologist cautions against excessive coffee consumption, but says morning cup may be protective

Cardiologist Debunks Decades-Old Myth: Coffee Not Harmful for Atrial Fibrillation

According to a report published on November 17, 2025, a US cardiovascular surgeon with over 25 years of experience has challenged the medical advice to avoid coffee and caffeine for patients with atrial fibrillation. Atrial fibrillation is a common type of irregular and often rapid heartbeat where the upper chambers of the heart quiver instead of contracting normally.