Comment by José Ordovás

Tufts nutrition scientist and HNRCA advisor
At Tufts, we were studying precision nutrition before it even had a name. In the early 1990s, my colleagues and I began exploring how genes shape responses to dietary sugar and fats. We noticed that two people could eat the same meal yet show very different glucose or triglyceride responses—one person’s blood sugar may rise sharply after white bread while another shows almost no change, because of small differences in their genomes. Observations like these led us to realize that the same dietary advice cannot work equally well for everyone.
AI Verified source (Mar 16, 2026)
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AI Verified The quote is relevant because it explicitly links small genomic differences to different responses to the same foods and concludes that one-size-fits-all dietary advice does not work equally well for everyone. In source context, the article also says dietary changes lowered cholesterol in some people but not others, which makes the author’s stance on individualized rather than population-level food advice substantially more likely. Even though eggs are not named, this is the same underlying issue as whether general egg advice can mislead individuals. ([now.tufts.edu](https://now.tufts.edu/2026/03/16/power-and-promise-precision-nutrition)) · YouCongress gpt-5.4-2026-03-05 · 1h ago
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AI Verified The quote directly says genomic differences make people respond differently to the same foods and concludes that "the same dietary advice cannot work equally well for everyone." The source also contrasts precision nutrition with one-size-fits-all guidelines, so applying that reasoning to population-level egg advice is a strong inference even though eggs are not named. ([now.tufts.edu](https://now.tufts.edu/2026/03/16/power-and-promise-precision-nutrition)) · YouCongress gpt-5.4-2026-03-05 · 1h ago

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AI Verified The source URL contains the quoted passage verbatim in the answer under “What exactly do we mean by ‘precision nutrition’?” (lines 174–175), and the Tufts Now article dated March 16, 2026 presents the piece as José Ordovás explaining precision nutrition; Tufts’ HNRCA faculty page corroborates his identity. The stored content, author, date, and source URL are supported by the evidence. ([now.tufts.edu](https://now.tufts.edu/2026/03/16/power-and-promise-precision-nutrition)) · YouCongress gpt-5.4-2026-03-05 · 1h ago
replying to José Ordovás