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  • Title: Increased Risk for Substance Use-Related Problems in Autism Spectrum Disorders: A Population-Based Cohort Study.
    Author: Butwicka A, Långström N, Larsson H, Lundström S, Serlachius E, Almqvist C, Frisén L, Lichtenstein P.
    Journal: J Autism Dev Disord; 2017 Jan; 47(1):80-89. PubMed ID: 27734228.
    Abstract:
    Despite limited and ambiguous empirical data, substance use-related problems have been assumed to be rare among patients with autism spectrum disorders (ASD). Using Swedish population-based registers we identified 26,986 individuals diagnosed with ASD during 1973-2009, and their 96,557 non-ASD relatives. ASD, without diagnosed comorbidity of attention deficit hyperactivity disorder (ADHD) or intellectual disability, was related to a doubled risk of substance use-related problems. The risk of substance use-related problems was the highest among individuals with ASD and ADHD. Further, risks of substance use-related problems were increased among full siblings of ASD probands, half-siblings and parents. We conclude that ASD is a risk factor for substance use-related problems. The elevated risks among relatives of probands with ASD suggest shared familial (genetic and/or shared environmental) liability.
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