Fitness & Training
1 Doc
A Beginner’s Guide to Zone 2 Cardio
Last Updated: October 4, 2025Cardio is one of those words that either makes people nod with enthusiasm or groan with dread. For decades, fitness culture has swung between extremes: high-intensity interval training (HIIT) on one end and endless long, slow miles on the other. Somewhere in between sits a sweet spot for health and longevity—Zone 2 cardio. It doesn’t...