GWAS 1 Medicine 1 Mental health services 1 Substance-use disorder 1 addiction 1 addiction comorbidity 1 addictive disorders 1 alcohol induced major depression 1 alcohol use disorder 1 benzodiazepine use disorder (BUD) 1 biomarkers 1 cannabis 1 cannabis use disorder 1 character 1 childhood trauma 1 clinical characteristics 1 co-occurring disorder 1 cocaine use disorder 1 coexisting mental illness 1 comorbid addiction 1 comorbid illicit use 1 comorbid mental illness 1 comorbid substance abuse comorbidity 1 conceptual framework 1 concurrent disorder 1 dual depression 1 dual diagnosis 1 dual disorders 1 dual disorders (DD) 1