Juul study shows secondhand vaping emissions are less toxic than cigarette smoke Secondhand smoke and secondhand aerosol 5 ways that vaping can damage your body Secondhand Smoke and Secondhand Vaping: Both Bad for Kids University Hospitals Vaporizing vs Smoking What's the Difference ? TVape Blog Canada Vaping: not a safe alternative to smoking, new study suggests, and it may be more harmful to health than tobacco in normal cigarettes South China Morning Post