
Harvard endocrinologist Dr. Ludwig reveals why calories don't matter - your fat cells do. "Always Hungry?" flips traditional dieting wisdom, offering a science-backed eating plan endorsed by health experts who praise it as revolutionary. Forget hunger; reprogram your metabolism without counting calories.
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Imagine never feeling controlled by food cravings again. This isn't fantasy-it's the foundation of Dr. David Ludwig's revolutionary approach to weight management. As a Harvard endocrinologist specializing in obesity, Ludwig challenges the conventional wisdom that has failed millions: hunger isn't about willpower-it's biological. The traditional "eat less, move more" approach ignores how our bodies actively resist weight loss through powerful biological mechanisms. Consider President William Taft, who in 1905 began a low-calorie diet and exercise program remarkably similar to today's standard advice. Despite his efforts, he reported feeling "continuously hungry" and gained 40 pounds within three years. When we lose weight through calorie restriction, our metabolism drops dramatically-far beyond what would be expected from weight change alone-while hunger increases. This combination creates a biological recipe for failure. Animals in laboratory studies maintain a specific "body weight set point"-when fasted, they eat voraciously until regaining precisely the lost weight. This reveals a fundamental principle: changing behavior (restricting food) causes biology to fight back, but changing biology allows behavior to adapt naturally. The forty-year experiment with low-fat diets perfectly illustrates this failure. Despite Americans reducing fat intake toward the recommended 30% of calories, obesity rates skyrocketed. Why? Because we've misunderstood how body weight is regulated at the cellular level.
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Creado por exalumnos de la Universidad de Columbia en San Francisco
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Creado por exalumnos de la Universidad de Columbia en San Francisco

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