Chasing Clarity: Health & Fitness Podcast EPISODE 17: WHAT FACTORS INFLUENCE OUR BODY FAT LEVELS: BODY FAT SET POINT, BODY FAT SETTLING POINTS, DUAL INTERVENTION MODEL AND LEAN BULKING WITH ERIC HELMS
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Aug 5, 2022 Eric Helms, research fellow in sports physiology and strength and physique coach, walks through models of body-fat regulation and metabolic phenotypes. He compares set point, settling point, and the dual intervention model. They discuss thrifty vs spendthrift metabolisms, a lean-bulking study, and how carbs can boost resistance-training performance.
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Leptin Signals But Leptin Resistance Alters Defense
- Leptin correlates with fat mass but acute drops after dieting show short-term energy availability matters more than fat level alone.
- Leptin resistance likely explains why people with obesity don't regain a lower weight automatically.
Minnesota Starvation Study Shows Dieting Can Cause Lasting Food Issues
- Minnesota semi-starvation study participants later developed long-term food issues and some changed careers or behaviors around food.
- One subject cut off his own finger to escape the study, illustrating extreme psychological effects of severe restriction.
Keep Protein High And Lift While Dieting
- Preserve protein intake and resistance training during dieting to reduce metabolic downregulation and lean mass loss.
- Helms' master’s work and case studies show high-protein, resistance-trained dieters maintain RMR better than extreme liquid diets.