Secondhand vape exposure: Risks and side effects While vaping is not risk free, it is less harmful than tobacco Our World in Data Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA No smoking means no vaping. Vaping is banned in all areas where smoking is banned including: shopping centres public swimming pools public transport including buses and trains as well In secondhand vape, scientists smell risk American Heart Association Secondhand Smoke and Electronic Cigarette Aerosols US EPA