Juul study shows secondhand vaping emissions are less toxic than cigarette smoke Vaping: The Smoke Free Habit That Isnt Risk Free, PALS Community Magazine, So vapes. They smell like bubblegum, look like highlighters, and somehow cost more than a weeks groceries. But whats Experts urge parents not to vape near kids as study finds second hand vapor causes build up of chemicals linked to CANCER Daily Mail Online Early research says secondhand smoke from vaping may not be as bad as cigarettes, but it's still not harmless. https: fox59.com news national world does vaping cause secondhand smoke doctors explain the side effects