The Latest Breaking News from Gregory Marcus

Randomized Evidence Now Challenges the Advice to Give Up Coffee After an Atrial Fibrillation Diagnosis

A commentary reviews the DECAF trial, where AFib patients who drank daily coffee had 39 percent lower recurrence than those who abstained.

Medical Daily · Aug 13

Doctors Explain Why Five Cups of Coffee a Day May Protect Your Heart but Your Starbucks Order Won't

The American Heart Association says five cups of coffee a day is heart-safe, but only black and paper-filtered. Your sugary espresso latte is left out of the good news.

International Business Times UK · Jul 21

The surprise heart benefit of coffee that can protect people against irregular heartbeats

Atrial fibrillation is estimated to affect up to 1 in 22 Americans – three times higher than projections from more than 20 years ago

The Independent UK · Nov 10, 2025