Chunk #6 — Introduction

Source

Alcohol use disorders, nicotine dependence, and co-occurring mood and anxiety disorders in the United States and South Korea-a cross-national comparison.

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For the purposes of the current investigation, and henceforth, SUD refers to AUD and ND only. Drug use disorders were excluded because of their extremely low prevalence in the Korean sample, which precluded meaningful analyses and cross-country comparisons. Furthermore, it has been demonstrated that AUD and ND account for approximately 80% to 90% of all SUD-attributable burden of disease.