Article
The geometry of G × E: How scaling and endogenous treatment effects shape interaction direction.
PLoS genetics - 1 Apr 2026
Sadowski Michal, Dahl Andy W, Zaitlen Noah, Border Richard
Abstract excerpt
Gene-environment interaction (G × E) studies hold promise for identifying genetic loci mediating the effects of environmental risk on disease. However, interpretation of G × E effects is often confounded by two fundamental issues: the dependence of interaction estimates on outcome scale and the presence of endogenous treatment effects, in which genetic liability influences environmental exposure. These factors...
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