High-intensity training significantly impacts cardiovascular health by improving heart efficiency and increasing overall endurance. This form of training elevates heart rate, pushing the cardiovascular system to adapt and become more resilient. Over time, it can lead to decreased resting heart rate and lower blood pressure, reducing the risk of heart disease. Furthermore, high-intensity workouts boost metabolism, promoting fat burning and weight management even after exercising. Incorporating such training into a regular fitness routine can lead to sustained improvements in both cardiovascular and overall health.