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 Doctors want to ban e cigarette users from lighting up in public to combat passive vaping Is passive vaping a hidden risk to the public? Here's what the experts know so far ABC News A dangerous trend amongst men, women & teens these days is vaping. Sold as a safer alternative to smoking, it is not uncommon to see college students and young teens heavily into