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Chunk #1 — Introduction

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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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The emerging trend has indicated that many low- to middle-income countries have demonstrated a steady increase in alcohol use while experiencing an early stage of the tobacco epidemic (Ezzati et al., 2004). It was estimated that by 2030, approximately 8.3 million premature deaths are attributable to tobacco, representing 10% of all deaths globally (Mathers & Loncar, 2006).