In this episode of Metabolic Mastery, Dr. Marc Humber and Dr. Cameron Garber dive deep into the science and strategy behind Zone 2 training — one of the most effective, yet misunderstood, methods for improving metabolism, endurance, fat-burning, and long-term health.

They break down:

• The physiology behind Zone 2 and why it's essential for metabolic flexibility

• How to identify your true training zones using VO₂ testing

• Why most people train too hard but not hard enough to drive real change

• The proven 80/20 training philosophy used by elite athletes

• How to train smarter (not just harder) to avoid injury and maximize performance

• Why building a "bigger engine" is the key to thriving into old age

If you want to build lasting health, train more effectively, and understand how your body really works — this episode is a must-listen.

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