
Dr. McCarthy discusses the missing piece in weight loss beyond just calories in vs. calories out.
We’ve all heard it: calories in vs. calories out.And while that’s not wrong… it’s not complete. Dr. McCarthy breaks down the three major approaches to weight loss: 1. Calorie restriction 2. Insulin management (low-carb, keto, etc.) 3. Exercise & performance …and explains why each works—but still falls short on its own. The missing piece?The signal your food sends to your body. This episode explores how ultra-processed foods: - Disrupt hunger and satiety signals - Spike blood sugar and drive cravings - Bypass normal metabolic pathways - Create instability in an otherwise well-designed system Citations: Protea Mechanism-Anchored Evidence Map Episode 4 — Insulin Is Not the Enemy: Misrouted Energy Is Below are key scientific principles and supporting literature behind this episode. This is not about “proving a point”—it’s about giving you a transparent look at how these conclusions are built. 1. Energy Balance Is Real—But RegulatedBody weight isn’t controlled by calories alone. Hormones, the brain, appetite, and behavior all regulate how energy is used, stored, and burned.Key refs: Hall et al. (2012); Speakman & Westerterp (2010) 2. Insulin Is a Traffic Director, Not the…
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