Like passive or second hand smoking, passive vaping takes place where a person inhales the aerosol or "vape" breathed out by someone vaping nearby. NSW Health said there can be over 200 chemicals Scientists Warn Against Breathing in Secondhand Vape 'Smoke' Newsweek 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? Kids Health Info : Vaping and e cigarettes Vaping: what you need to know ASH