I Tried Zone 2 Cardio for 12 Weeks—Here’s What Happened to My Body
For years, Harry believed that if he wasn’t gasping for air, his cardio wasn’t working. He was wrong. The fitness world loves high-intensity, “no-pain-no-gain” workouts. This often leads to burnout, stalled progress, and poor recovery. Research on “Overtraining Syndrome” shows it can even cause decreased heart rate variability (HRV). Harry felt this way. Then Harry … Read more