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 Secondhand vape exposure detectable in children's saliva, breath Contemporary Pediatrics Symptoms Of Second hand Vape Smoke 2nd Hand Vape Smoke Side Effects Health experts say not Symptoms Of Second hand Vape Smoke Second hand Vaping Vs Smoking Can You Get Second Hand Secondhand Smoke and Electronic Cigarette Aerosols US EPA