The most effective form of cardiovascular exercise often depends on individual preference and fitness level. However, activities like running, cycling, and swimming are widely recognized for their significant benefits in improving heart health and increasing overall aerobic capacity. High-intensity interval training (HIIT) has also gained popularity for its efficiency in burning calories and enhancing cardiovascular fitness in shorter durations. Consistency and enjoyment are crucial—selecting a cardiovascular workout that fits into one’s lifestyle is key to long-term adherence and overall benefits.