Individuals who have had a heart attack are generally at an increased risk of a second one. But with simple lifestyle changes and following a few precautionary measures a second attack can be prevented. Our expert Dr Amar Singhal HOD Cardiology Delhi based Sri Balaji Action Medical Institute says Preventing a second heart attack means making drastic changes in your lifestyle. This includes staying away from smoking and drinking stress management exercising and inculcating diet changes. Here are few simple yet effective tips to help prevent a second heart attack. Kick the butt: Cigarette smoking damages your heart s rhythm