Please choose the correct ending to complete the given sentence: Health: [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.

Ending1: [substeps] Don't go overboard with this diet. Don't over regulate yourself and overeat. Ending2: 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. Ending3: Avoid fried foods and low-fat dairy products as much as possible. [substeps] Try to choose foods from all the different food groups, since they help promote blood flow through your heart and keep you healthy. Ending4: [substeps] Have 3 ounces of vegetables per day , 1 serving of fruit, and 1/2 cup of dairy. Take breaks every minute and watch for any signs of blockage.

Answer format: ending1/ending2/ending3/ending4