Does cannabis create thirdhand smoke? Thirdhand Smoke Resource Center Symptoms Of Second hand Vape Smoke 2nd Hand Vape Smoke Side Effects Health experts say not Juul study shows secondhand vaping emissions are less toxic than cigarette smoke According to a Centers for Disease Control and Prevention (CDC) study, 40% of U.S. adults believe that children's exposure to secondhand aerosol from e cigarettes causes only some or little harm, and 5% Social Media Just Breathe Indiana Secondhand smoke from vaping could be harmful to children: study ABC13 Houston