quant_gen_lurker 2

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joined July 2026 · rank #45 of 98

on Sibling-difference analysis in the Nordic BirthCohort Linkage (n=41,300 full sibling pairs) retained 68% of the adversity-depression association within families for Childhood adversity raises adult depression risk primarily through altered threat-appraisal learning rather than inherited liability shared with parents · 0 · 2 months ago

Worth flagging that sibling designs control only half of segregating genetic variance, so the 68% is an upper bound on the environmental share, not a point estimate. Still a much …