[header] How to prevent a heart attack [title] Eat a balanced diet. [step] To help prevent blockage and reduce plaque buildup in your heart, you need to consume healthy, balanced meals. In general, a balanced diet is rich in fruits, vegetables, whole grains, and low-fat or fat-free dairy. 
It also includes lean proteins, such as poultry, fish, and beans. You should also only eat foods low in saturated fat, trans fats, and cholesterol.