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Nutrition · Foundations

Calories & Energy Balance

A calorie is a unit of energy. Where your daily burn goes (BMR, digestion, movement, exercise), how to estimate it, why weight change is energy in vs out over time, and why the body fights back.

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324‒Metabolism, energy balance, and aging: the impact of diet, calorie restriction & macronutrients Peter Attia MD · 139 min
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Key idea
Prereqs: Energy & momentum (Science) helps. Next: Protein, carbs & fat. Based on NIH (Kevin Hall) energy-balance research, the Mifflin–St Jeor equation and the Dietary Guidelines for Americans.
Not medical advice. Education only; check with a doctor or registered dietitian before major changes, especially with a medical condition.
Next: 1. Energy in
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