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Able Quote by David Perlmutter

“Our ancestors relied upon their advanced brains to survive during times of food shortage, and fortunately, the human brain is able to utilize body fat as an extremely efficient fuel to sustain function when glucose-providing food is unavailable.” quote by David Perlmutter
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“Our ancestors relied upon their advanced brains to survive during times of food shortage, and fortunately, the human brain is able to utilize body fat as an extremely efficient fuel to sustain function when glucose-providing food is unavailable.”

David Perlmutter

About This Quote

Source Book: Grain Brain by David Perlmutter, 2013

The brain can switch to burning body fat when glucose is scarce, an adaptive survival mechanism.

In simple terms: Brain uses fat as fuel during food shortage.

Key Takeaway

Leverage fasting or low‑carb diets for metabolic health.

Themes

nutrition metabolism brain survival adaptation

Mood

informative practical

Type

educational health‑focused

When to use this quote

  • weight management
  • intermittent fasting
  • clinical nutrition
  • exercise programs

Key Concepts

ketosis energy efficiency evolutionary biology

Questions to Reflect On

  • How does your body respond to low‑carb diets?
  • What are safe ways to activate fat‑based metabolism?
A Different Perspective

May not apply to everyone; health conditions.

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