Passive vaping: an impending threat to bystanders In secondhand vape, scientists smell risk American Heart Association Secondhand Smoke and Secondhand Vaping: Both Bad for Kids University Hospitals Guidance for Healthcare Providers on Evaluating and Tracking Patient Use of E Cigarettes or ENDS Products American Lung Association Secondhand smoke Public Health County of Santa Clara Vaping or smoking impacts those around you., Even passive mist from vapes and smoke from cigarettes can harm others. , Its your choice to vape or smoke but do your friends have a choice too?