India, July 20 -- Researchers with the American Heart Association have released a new scientific statement in the journal Circulation on how coffee and caffeine affect heart health.
For this, the experts reviewed findings from several previous studies that looked at how caffeine affects blood pressure, cholesterol, metabolism, and the risk of heart and blood vessel diseases. They found that consuming up to 400 milligrams of caffeine a day-about five 8-ounce cups of coffee-is generally safe for most people and may even lower the risk of heart disease in some cases. However, consuming large amounts of caffeine, especially from energy drinks, could be harmful.
The results were not always the same, suggesting that more research is needed. For...