#290 - Why Weight Loss Is So Hard to Maintain—Metabolic Adaptation Explained | Dr. Eric Ravussin + Mike Haney
About this episode
Dr. Eric Ravussin discusses the complexities of weight loss maintenance and metabolic adaptation.
In this episode of A Whole New Level , Dr. Eric Ravussin , PhD , explains the physiology of energy expenditure, metabolic adaptation, and why the body strongly defends its prior weight. Drawing on decades of research, including the Biggest Loser study, CALERIE, and work with metabolic chambers, Ravussin walks through what actually happens when we lose weight—and why willpower alone isn’t enough. Sign Up to Get Your Free Ultimate Guide to Glucose: https://levels.link/wnl In this episode, we cover: Why BMI is an incomplete measure of obesity The difference between preclinical and clinical obesity How energy expenditure really works (and why larger bodies burn more calories) What metabolic adaptation is—and why it persists long after weight loss Why exercise alone rarely leads to sustained weight loss How GLP-1 drugs intersect with appetite, metabolism, and muscle mass 🎙 What Dr. Eric Ravussin & Mike Haney discuss: [04:40] — Rethinking obesity diagnosis [07:00] — Clinical vs. preclinical obesity [11:38] — What ‘energy expenditure’ actually means [15:42] — What metabolic adaptation really is [17:56] — Why bigger bodies burn more calories [26:16] — Lessons from the Biggest Loser…
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