Electronic cigarette devices targeting youth in Korea 2FIRSTS South Korea Imposes Age Verification for E Cigarette Sales, Fines Up to $14,000 Korea closes loophole on synthetic nicotine to curb youth vaping The Korea Times China bolsters e cigarette regulations to smoke out non compliance South China Morning Post South Korean Bill proposed to mandate anti smoking warnings on e cigarettes The Straits Times E cigarettes and Smoking: Correlation, Causation, and Selection Bias Request PDF