Cigarette Smoking vs Vaping: Which Is More Harmful? Pooja Choradia posted on the topic LinkedIn Secondhand exposure to e cigarette aerosol and lung health Research Communities by Springer Nature Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN Secondhand smoke and secondhand aerosol Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center