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Comment by Yang Zhao

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Nanjing Medical University public health researcher and coauthor of a 2026 review on confounding in nutrition research
In nutrition research, confounding is an important challenge. Owing to the complexities involved in dietary interventions, such research is often subject to three types of confounders: measured confounders, unmeasured confounders, and time-varying confounders. Inadequate control of these confounders can lead to distorted research conclusions and even undermine the credibility of dietary guidelines.
Disputed (Apr 16, 2026)
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Yang Zhao, coauthor of "Controlling confounding in nutrition research: Methodological strategies, software implementation, and reporting guidelines," The Innovation Nutrition, published online April 16, 2026.
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Observational nutrition studies are too confounded to show whether eggs cause harm
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Disputed The quoted passage is real and appears verbatim in the abstract at the provided PDF URL, and the article was published online on 2026-04-16. However, the source attributes the article to multiple individual authors (Mujie Shen, Jiawei Zhou, Dongfang You, Fang Shao, Guoshuang Feng, and Yang Zhao), not to Yang Zhao alone. Because this platform verifies single-author quotes only when the source itself presents a single person, organisation, or named document as the speaker/author, this stored attribution is disputed. ([the-innovation.org](https://www.the-innovation.org/data/article/nutrition/preview/pdf/TIN-2026-0017.pdf)) · YouCongress gpt-5.4-2026-03-05 · 1h ago
replying to Yang Zhao