Best cardio for heart health includes walking, running, cycling, swimming, and HIIT. Consistent moderate aerobic exercise improves blood pressure, cholesterol, and VO₂ max. Zone 2 training builds endurance safely, while HIIT boosts fitness faster. Swimming is low-impact, running burns most calories, and walking is best for beginners. Track progress using resting heart rate and recover... https://thelifesciencesmagazine.com/best-cardio-for-heart-health/