According to the American Heart Association (AHA), about one in five people who have experienced a heart attack will have another within 5 years. Having a heart attack can also increase a person’s risk for having other cardiovascular issues, such as arrhythmia , heart failure , and sudden cardiac arrest . “The risks for heart attack survivors are still substantial,” Keith Diaz , PhD, the Florence Irving Associate Professor of Behavioral Medicine at Columbia University Medical Center in New York