Скачать или смотреть What Happens If You Fast for 7 Days Straight? | Health Science Explained

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What really happens inside the human body when food disappears for seven straight days? In this in-depth episode of Science Explained, we explore the biological reality behind prolonged fasting—beyond fear, trends, and misinformation. Rather than focusing on willpower or extreme behavior, this video examines how the body responds when constant feeding stops and ancient survival systems quietly take over.

Human biology did not evolve around constant meals. It evolved in uncertainty. As Science Explained reveals, the early stages of fasting rely on stored glucose and glycogen, keeping energy stable while hunger remains mostly hormonal, not dangerous. But once those reserves are depleted, the body adapts. Fat becomes the primary fuel. Ketones supply the brain. Insulin drops. The nervous system recalibrates.

This video follows the timeline day by day, explaining ketosis, metabolic efficiency, mental clarity, inflammation reduction, and the activation of autophagy—the body’s internal repair and recycling system identified by Nobel Prize–winning research. Through the lens of Science Explained, these changes are presented as biological adaptations, not recommendations.

Importantly, Science Explained does not promote extreme fasting or medical risk. The video clearly explains where benefits end and danger begins, including electrolyte imbalance, muscle breakdown, and the critical risks of improper refeeding. Understanding these processes does not mean they are suitable for everyone—but understanding them changes how we think about hunger, energy, and resilience.

If you want a research-based, balanced exploration of what prolonged fasting truly does to the body, Science Explained delivers clarity—without hype, fear, or shortcuts.

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Health Science Explained is a channel made for people who want to understand what’s really happening inside their bodies — without confusing medical jargon.

We explain health and medical science in a simple, visual, and practical way, so you don’t just hear health advice, but actually understand why it matters.

On Health Science Explained, you’ll discover:
What sugar really does to your organs
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Why chronic diseases often develop without obvious symptoms
How your body reacts to food, stress, and lifestyle choices

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If you’re curious about how your body works and want science explained in a human way, Health Science Explained is for you.

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