Slide 3 of 27: Obesity and belly fat have long been linked to cardiovascular disease. The more fat that's stored in your midsection, the higher your blood pressure, blood sugar, and cholesterol levels are bound to be. Consider French fries a triple threat to your heart health by those standards. Not only are they filled with simple sources of carbs that can spike your blood sugar, but they're also filled with fat and salt, too. And for more heart-healthy swaps, be sure to avoid these 20 Foods That Tax Your Heart.