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ABCD: Childhood Poverty Raised Risk; Inhibitory Control Split Resilience

MHD featured image for childhood poverty, inhibitory control, and resilience in ABCD youth.

A 2026 ABCD cohort preprint involving 10,112 youth found that childhood poverty strengthened the link between cumulative early-life adversity and later behavioral problems; among poverty-exposed youth, inhibitory-control fMRI profiles split children into higher-vulnerability and buffered pathways. Research Highlights Poverty steepened adversity risk: In 10,112 ABCD youth, childhood poverty amplified the baseline early-life-adversity-to-CBCL Total Problems slope …

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IQ and Socioeconomic Status: TwinLife Study Finds 69-98% Genetic Overlap

Editorial card about cognitive ability, socioeconomic status, twin modeling, and genetic-environmental overlap.

A 2026 TwinLife analysis found that cognitive ability at age 23 predicted education and occupational status at age 27, and bivariate twin models attributed 69-98% of the shared IQ–SES variance to genetic factors rather than unique environment.1 The calibrated reading is narrow but important: the finding argues against treating cognition, schooling, and occupation as purely …

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