Latest / LEVELS – A Whole New Level

#290 - Why Weight Loss Is So Hard to Maintain—Metabolic Adaptation Explained | Dr. Eric Ravussin + Mike Haney
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.
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In this episode, we cover:
Why BMI is an incomplete measure of obesity
The difference between preclinical and clinical obesity…
The skinny
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