Drinking three to five cups of coffee daily is linked to lower risk of some heart diseases, like heart failure. Caffeinated coffee can cause a short-term spike in your blood pressure, but regular drinkers develop a tolerance. read more
In addition, some studies found that coffee could increase the risk of heart disease in some. On the other hand, research indicated that regular coffee drinkers may have a reduced risk of type 2 diabetes, which makes people prone to heart disease. read more
The subjects in this study were all younger than typical heart patients, but it suggests to me that coffee could be bad for your health if you have a difficult time controlling your blood pressure; you may want to avoid it, regardless of your age. read more