Fair lv function, ef 49%rf type11dm syst htn dyslipidaemia. Can a good diet prevent from another mi?

Another MI. Yes. Eat low salt, low fat, low cholesterol, low carbohydrate diet. Keep your glyco a1c under control with good diabetic diet and exercise. If required use antidiabetic meds and antihypertensive and cholesterol medications. Absolutely no smoking.