--- title: "Meaning & Key Takeaway of: During periods of starvation or fasting…" description: "\"“During periods of starvation or fasting, the human brain can very easily switch over to using ketones as an alternative to glucose.”\" — Eric Westman MD" image: "https://sms4smile.com/quotes/i/ba8/eric-westman-md-30018_human-brain_during-periods-of-starvation-or-fasting_1685920.jpg" --- # During periods of starvation or fasting, the human brain… ![“During periods of starvation or fasting, the human brain can very easily switch over to using ketones as an alternative to glucose.” quote by Eric Westman MD](https://sms4smile.com/quotes/i/ba8/eric-westman-md-30018_human-brain_during-periods-of-starvation-or-fasting_1685920.jpg) [Download](https://sms4smile.com/quotes/i/ba8/eric-westman-md-30018_human-brain_during-periods-of-starvation-or-fasting_1685920.jpg) [Open image](https://sms4smile.com/quotes/i/ba8/eric-westman-md-30018_human-brain_during-periods-of-starvation-or-fasting_1685920.jpg) > ““During periods of starvation or fasting, the human brain can very easily switch over to using ketones as an alternative to glucose.”” [Eric Westman MD](https://sms4smile.com/quotes/author/eric-westman-md/) ## About This Quote This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation. During fasting, the brain readily uses ketones instead of glucose for energy. **In simple terms:** Brain switches to ketones when fasting. Key Takeaway Consider fasting to boost brain energy efficiency. Themes nutrition fasting brain metabolism ketones health Mood informative neutral educational Type scientific explanatory When to use this quote - weight loss - cognitive performance - medical guidance Key Concepts energy adaptation metabolic flexibility Questions to Reflect On - Are you prepared for metabolic changes? - How long should fasting last? 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