First, Second and Thirdhand Smoke: The Differences and Dangers Tobacco Stops With Me Health Problems Caused by Secondhand Smoke Smoking and Tobacco Use CDC Teenagers Two to Three Times More Likely to Vape Than Smoke We protect kids from cigarette smokelet's do the same with vaping. Secondhand vape isn't harmless, here is what parents need to know: https: www.undo.org disease secondhand vape