ArticleSubstance use & misuse2025
Hair Cortisol Concentrations in the Prediction of Early Substance Use Engagement in Youth.
Article in Substance use & misuse, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveUnderstanding factors associated with early onset of substance use is critical as using alcohol or drugs at a young age is a strong predictor of later substance dependency. Experiencing stressful life events is associated with increased risk for early substance use in youth. Hair cortisol concentration (HCC) is considered a biomarker of psychological stress experienced over longer periods of time. We examined whether HCC could predict early substance use engagement in youth followed over 5 years.
methodsParticipants were 395 young adolescents (50% female, age range 10-15 years,
resultsHCC did not add to the prediction of early substance use engagement in any of the models, while self-reports of stressful life events and everyday discrimination predicted early substance use engagement in the models comparing 'Early' vs 'Late/No' substance use class membership.
conclusionWe found no evidence of HCC to be associated with early substance use engagement in youth. Nevertheless, our results do confirm that self-reports of stressful everyday life experiences predict earlier substance use engagement, underscoring the role of psychosocial stressors as significant predictors of substance use engagement in youth.
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