Heart health depends on diet changes for many people, as they try to lose weight and control blood sugar and cholesterol levels. A cardiologist offers guidance on the best eating habits to prevent heart disease. He believes that dieting is often unsustainable due to unrealistic expectations about low-calorie meals.

The doctor's main concern is a specific group of foods that can harm heart health. He identifies high-starch foods as a particular risk.

For more information on healthy eating and heart health, further details are available from the source, including the cardiologist's own eating habits and rules.