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  1. Article

    Open Access

    Cross-ancestry genetic investigation of schizophrenia, cannabis use disorder, and tobacco smoking

    Individuals with schizophrenia frequently experience co-occurring substance use, including tobacco smoking and heavy cannabis use, and substance use disorders. There is interest in understanding the extent to ...

    Emma C. Johnson, Isabelle Austin-Zimmerman, Hayley H. A. Thorpe in Neuropsychopharmacology (2024)

  2. No Access

    Article

    The addiction risk factor: A unitary genetic vulnerability characterizes substance use disorders and their associations with common correlates

    Substance use disorders commonly co-occur with one another and with other psychiatric disorders. They share common features including high impulsivity, negative affect, and lower executive function. We tested ...

    Alexander S. Hatoum, Emma C. Johnson, Sarah M. C. Colbert in Neuropsychopharmacology (2022)