Episode 137: Body Composition: The Metric That Actually Predicts Your Future

In this episode, we break down Pillar Five of the Vitality Nation framework — the difference between body weight and body composition, the biology of visceral versus subcutaneous fat, the lean mass equation and sarcopenia, age-appropriate body fat targets, Marcus's client story (lost 12 pounds and his composition got worse), the three most common mistakes, and a four-step body composition framework built around measurement, lean mass protection, modest deficits, and visceral fat reduction.