The best cardio for heart health depends on your fitness level and goals, but consistency is the key to lasting benefits. Walking, cycling, swimming, running, and HIIT each improve cardiovascular health in different ways. Combining moderate-intensity Zone 2 workouts with occasional HIIT can boost endurance, heart efficiency, and overall fitness. Track progress through resting heart ra... https://thelifesciencesmagazine.com/best-cardio-for-heart-health/