O-19 - Substituting eggs with whole grains, nuts, yogurt or reduced-fat dairy lowers modelled T2D risk; other animal proteins no change
O-19 — Statistical substitution modelling (not observed behaviour): eggs rank worse than plant foods and dairy but equivalent to other animal-protein foods.
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Why this is evidence
A genuine egg-specific causal effect (H-8, or a positive H-51) predicts lower modelled T2D risk when eggs are replaced by any roughly-neutral food. The observed reduction only when substituting prudent foods (whole grains, nuts, dairy) and no change versus other animal proteins, fish, legumes or refined-pattern foods is the marker signature H-9 predicts: eggs carry no intrinsic effect, so swaps within the Western basket are neutral and the benefit tracks the replacing food. Direction: favors H-9 over H-8.