James Prieger E CIGARETTES AND SMOKING: CORRELATION, CAUSATION, AND SELECTION BIAS Korea closes loophole on synthetic nicotine to curb youth vaping The Korea Times 2FIRSTS South Korea's National Assembly Passes Law Classifying E Cigarettes as Tobacco Products with Full Equivalent Regulation South Korea classifies liquid e cigarettes as tobacco, enforces warnings and fines CHOSUNBIZ 2FIRSTS South Korea Set to Enforce Liquid Vape Ban in Smoke Free Areas, but Welfare Ministry Abruptly Adds Two Month Guidance Period National Tobacco Control Center Tobacco Control Policy : MPOWER Packaging and labelling