For decades, the standard advice for preventing heart attacks has been simple: walk more, run often, and get your heart rate up. But when cardiologists are asked to name the single most impactful exercise for reducing heart attack risk, many point to something that most people overlook.
According to leading preventive cardiologists, aerobic exercise (cardio) remains the most powerful tool for protecting the heart—but the specific type and intensity matter more than most people realize.
What Makes Aerobic Exercise the “Gold Standard”
Dr. Luke Laffin, a preventive cardiologist and co-director of the Center for Blood Pressure Disorders at the Cleveland Clinic, states plainly: “Aerobic exercise training should be promoted above all else” .
Aerobic exercise—also known as cardio or endurance training—forces the heart and lungs to work harder to deliver oxygen to working muscles. Over time, this training makes the heart stronger, more efficient, and better able to pump blood throughout the body .
Examples of aerobic exercise include:
