Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London How a 14 year old boy became addicted to Spice through vapes While smoke and vapor may seem similar, smoke from burning delivers a harmful chemical punch due to its chemical reaction. Explore what's inside both and uncover the differences here: https: www.pmi.com our science the difference between cigarette As vaping culture gets hot, some drop cigarettes but maybe not all the risks No Longer the Hot New Thing? Teen Vaping Falls, Study says About E Cigarettes (Vapes) Smoking and Tobacco Use CDC