Americans woke up this week to reassuring news that five cups of coffee a day is safe for the heart. The catch buried in the American Heart Association's new statement is that the caramel latte in your hand doesn't count.
The American Heart Association (AHA) published its scientific statement on caffeine and cardiovascular disease on Monday in its journal Circulation. It found that most adults can safely drink up to 400 milligrams of caffeine daily, roughly five 8-ounce (236.6 ml) cups of black coffee, without raising their heart risk.