Too much coffee can lead to weight gain and other health problems, even if drinkers stick to decaffeinated, according to research. Experts warned that drinking five or more cups a day increased the amount of fat stored in the abdomen. It was revealed that even a “moderate intake” of coffee in the average day could also lead to problems such as increased risk of heart disease and diabetes. Repeated studies in the past have shown that coffee can have benefits for regular drinkers, including lowing the chances of a stroke and certain forms of cancer. …