evidence card · observational_nutrition_healthy_user_bias
Observational nutrition studies suffer from healthy-user bias; conclusions require consistent standards and triangulation (MR, RCTs)
H5
▲ supports
stakes moderate
5 posts scored
·
across 4 accounts
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1 sources
Summary
Residual confounding is a recognized major limitation of nutritional epidemiology. Triangulation (MR, RCTs, mechanistic) is standard practice in careful evidence synthesis.
Five-score assessment
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Scope
Population
epidemiology methodology
Intervention
applying consistent bias-adjustment across cohorts
Outcome
reliable causal inference
Not supported for
- claim that all observational evidence is useless