Is Vaping Better Than Smoking? A Data Based Comparison Morevaping Don't Be Fooled, E cig Aerosol Is Not Harmless for Kids American Lung Association Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center How secondhand smoke, thirdhand smoke & vaping affects kids Should I Be Concerned About Secondhand Vaping? 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