Secondhand Smoke and Electronic Cigarette Aerosols US EPA Social Media Just Breathe Indiana Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN Is Vaping Better Than Smoking? American Heart Association Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA While vaping is not risk free, it is less harmful than tobacco Our World in Data