“…Similar to US youth, substance use is positively associated with deviant behavior among South Korean youth. Both cigarette and alcohol use are related to increased aggression Lee, Onifade, Ryu, Rasul, & Maynard, 2014). Kim and Lee (2010) found that South Korean youth who smoke cigarettes and drink alcohol are more prone to engage in school violence, relative to youth who do not use these substances.…”