1440 Explores 1440 Explores

Why We Lose Muscle–And How to Keep It

Aug 27, 2026 · 25m

Summary

Hosted by Dina Fine Marin, this episode explores the science and history of resistance training with experts Daniel Lieberman and Amanda Paluch. They discuss how strength building prevents frailty, improves mental health, and complements cardio, tracing its evolution from ancient practices to modern medical recommendations. The conversation highlights that just two weekly sessions can significantly boost longevity and healthspan, offering practical tips for integrating exercise into daily life.

Topics discussed

Introduction: The rise of strength training and episode overview Basics: Aerobics vs. resistance training and muscle repair Biology: Inflammation, soreness, and the 'use it or lose it' principle Evolution: Hunter-gatherers, modern inactivity, and health risks History: Ancient Olympics, Hippocrates, and Galen's advice Stigma: Middle Ages views and the 'muscle-bound' myth Shift: WWII rehab, cultural changes, and personal motivations Guidelines: Federal recommendations and mortality risk reduction Adoption: Overcoming inactivity and starting at home Balance: Acute vs. chronic inflammation and GLP-1 drugs Brain health: BDNF, memory, and combining cardio with strength Conclusion: Healthspan, longevity, and closing credits
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