Скачать или смотреть This Is What Happens When You Start Intermittent Fasting | Health Science Explained

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If you’ve ever wondered what truly happens inside your body when you begin intermittent fasting, this deep-dive from Health Science Explained breaks it down step by step. In this episode of Science Explained, we move beyond trends and look directly at physiology: insulin signaling, glycogen depletion, fat oxidation, ketone production, autophagy, and long-term metabolic adaptation.

The first skipped meal doesn’t trigger chaos — it triggers recalibration. As detailed in Science Explained, within 4–6 hours insulin begins to fall, glycogen becomes the primary fuel buffer, and your body transitions from fed-state metabolism toward stored energy utilization. By 10–12 hours, lipolysis increases. Between 12–16 hours, ketone production rises, supporting stable brain energy and mitochondrial efficiency. This is the metabolic switch — progressive, adaptive, and deeply embedded in human biology.

But intermittent fasting is more than a 24-hour shift. In this Science Explained breakdown, we examine how consistent time-restricted feeding improves insulin sensitivity, stabilizes hunger hormones like ghrelin, enhances mitochondrial biogenesis, and may activate longevity-associated pathways such as AMPK and autophagy. We also address critical variables: hydration, electrolytes, protein timing, resistance training integration, circadian alignment, and common implementation mistakes.

Importantly, this video clarifies the difference between structured fasting and starvation. When applied with biological literacy, intermittent fasting becomes a rhythm — not restriction.

If you want evidence-based clarity instead of hype, this episode of Science Explained delivers the mechanisms behind the method. Subscribe to Science Explained for precise, physiology-driven health education.
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