Secondhand vape exposure detectable in children's saliva, breath Contemporary Pediatrics Juul study shows secondhand vaping emissions are less toxic than cigarette smoke Secondhand smoke comes from more than just cigarettes. From vapes to cannabis to hookah, secondhand smoke from all products can expose people to harmful chemicals and pollutants. In this blog, Onjewel Smith Can you get second hand smoke from a vape How secondhand smoke, thirdhand smoke & vaping affects kids