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But peanuts are hardly representative of the average food…

“But peanuts are hardly representative of the average food. Everyone knows—via “visual observation of stool samples,” to use the New England Journal of Medicine’s way of saying “a glance before flushing”—that chunks of peanuts make their way through the alimentary canal undigested. Nuts are known…” quote by Mary Roach
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““But peanuts are hardly representative of the average food. Everyone knows—via “visual observation of stool samples,” to use the New England Journal of Medicine’s way of saying “a glance before flushing”—that chunks of peanuts make their way through the alimentary canal undigested. Nuts are known for this. Peanuts (and corn kernels) are so uniquely and reliably hard to break down that they are used as “marker foods” in do-it-yourself tests of bowel transit time*—the time elapsed between consumption and dismissal.””

Mary Roach

About This Quote

This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation.

Peanuts resist digestion, making them useful markers for measuring how long food stays in the gut.

In simple terms: Peanuts pass through undigested, serving as gut transit indicators.

Key Takeaway

Use peanuts to gauge digestive speed.

Themes

nutrition digestion science measurement

Mood

informative curious

Type

scientific educational

When to use this quote

  • clinical trials
  • dietary studies
  • personal health monitoring

Key Concepts

gastroenterology food science experimental design

Questions to Reflect On

  • What other foods could serve as reliable gut markers?
  • How does gut transit time affect overall health?
A Different Perspective

Peanut resistance varies among individuals, limiting universal accuracy.

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