Wellness LetterEat WellCoffee's Wide-Ranging Effects

Expert Q&A

Coffee’s Wide-Ranging Effects

Cardiologist Greg Marcus explains the design and findings of his recent study that looked at how America’s most popular beverage impacts sleep, exercise, arrhythmias, and more

Coffee is the most popular beverage in the United States and many other countries (although tea is more widely consumed globally). But the effects of coffee—and caffeine more specifically—have been notoriously challenging to investigate in a clinical trial. Most dedicated coffee drinkers woul...

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