2FIRSTS South Korea's President Raises Safety Concerns Over Nicotine Alternatives at Cabinet Meeting Korea Closes Synthetic Nicotine Loophole Tobacco Asia James Prieger E CIGARETTES AND SMOKING: CORRELATION, CAUSATION, AND SELECTION BIAS Korea Closes Synthetic Nicotine Loophole Tobacco Asia Electronic cigarette devices targeting youth in Korea South Korea classifies liquid e cigarettes as tobacco, enforces warnings and fines CHOSUNBIZ