Zone 2 Training & Longevity: The Science Behind the Aerobic Base That Predicts Healthspan
Medically Reviewed by Dr. Thomas Biernacki, DPM — Board-Certified Podiatrist & Functional Medicine Practitioner | Balance Foot & Ankle, Howell & Bloomfield Hills, MI | Updated May 2026 Quick Answer Zone 2 training — sustained aerobic exercise at 60–70% of maximum heart rate where fat is the primary fuel and lactate stays below 2 mmol/L … Read more