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The American Heart Association has a new number for daily coffee-and a warning if you go over it
Fortune • • health
Key Points:
- A scientific statement from the American Heart Association finds that up to 5 cups of black caffeinated coffee daily (about 400 mg of caffeine) is generally safe for most adults and may lower the risk of some heart conditions.
- Drinking 1 to 3 cups of coffee daily was linked to a higher risk of developing high blood pressure in people with otherwise healthy blood pressure, while consuming more than 3 cups was associated with a lower risk.
- Consuming 2 to 4 cups of black coffee daily was connected to a reduced risk of heart disease, heart failure, stroke, and type 2 diabetes, but intake beyond 4 cups may increase the risk of heart failure.
- Tea also shows cardiovascular benefits similar to coffee, but energy drinks, which have much higher caffeine concentrations, are linked to increased risks of high blood pressure and irregular heart rhythms even in young, healthy adults.
- The benefits observed pertain to black coffee without added sugars or creamers, and previous research suggests that the ritual of coffee drinking may contribute to its perceived effects alongside caffeine.
