There’s nothing quite like a coffee in the morning to put an extra spring in your step. And new data suggests that boost isn’t just in your head—the daily habit could be doing real, long-term good for your health.
The latest research, a scientific statement published by the American Heart Association in its journal Circulation, lands on a reassuring number: for most adults, up to 5 cups of caffeinated coffee a day—around 400 mg of caffeine—is safe and, for some people, may even be linked to a lower risk of several heart conditions.
