"Cardio" is often used as a shorthand for "cardiovascular exercise," which refers to any type of activity that gets the heart pumping and the blood flowing. Some common synonyms for cardio include "aerobic exercise," "cardiovascular training," and "cardio health workouts." Other related terms might include "cardiorespiratory fitness," "endurance training," or "sustained activity." No matter what you call it, regular cardio exercise is essential for maintaining a healthy heart and preventing a wide range of health problems, from obesity and diabetes to heart disease and stroke. Whether you prefer running, cycling, dancing, or any other type of physical activity, make sure to get your heart rate up every day for optimal health and wellness.