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Aims
To investigate the association in males between cognitive ability in late adolescence and subsequent substance misuse‐related events, and to study the underlying genetic and environmental correlations.
Design
A population‐based longitudinal study with three different family‐based designs. Cox proportional hazards models were conducted to investigate the association at the individual level...
Previous research indicates that attention-deficit/hyperactivity disorder (ADHD) is highly associated with substance use disorders (SUD). However, these studies have failed to clarify the nature of the overlap. The main aim of this study was to explore whether the overlap between ADHD and SUD could be explained by shared genetic and environmental factors or by harmful effects of ADHD medication.We...
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