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Intermittent fasting benefits: the complete science-backed guide

Discover the science-backed benefits of intermittent fasting — from fat loss and brain clarity to lower insulin and cellular repair.

FastingInPractice Editors

Intermittent fasting works by shifting your body away from burning glucose and into burning stored fat — a state called ketosis. This triggers a cascade of benefits: lower insulin, increased growth hormone, improved brain function, reduced inflammation, and measurable weight loss. The science is not complicated once you understand what fasting actually does to your metabolism. When you stop eating, something important happens within the first few hours: your insulin levels begin to fall. Insulin is your body's storage hormone…

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