In fact, drinking six or more cups per day will increase your risk of heart disease by up to 22 percent, the report published May 10 finds. The link between caffeine and heart disease stems from the risks associated with high blood pressure, which can be triggered by excessive caffeine consumption. “Most people would agree that if you drink a lot of coffee, you might feel jittery, irritable or perhaps even nauseous – that’s because caffeine helps your body work faster and harder, but it is also likely to suggest that you may have reached your limit for the time...