I-Wen Chen

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Lead author of a 2026 Frontiers in Nutrition study on observational nutrition evidence and confounding.

Speaks on: Eggs Eggs And Health Ethics In Research Health Methodology

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eggs (1) × eggs-and-health (1) ethics-in-research (1) health (1) methodology (1) nutrition (1) public-health (1) research-policy (1)

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Observational nutrition studies are too confounded to show whether eggs cause harm
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In this observational study, VDD was significantly associated with an increased risk of HNC, with consistency across subtypes and a dose-response gradient. However, the observational design precludes causal inference, and residual confounding cannot ...
more AI Verified source (Jul 4, 2026)

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