Will vaping bans do more harm than good? Some public health experts say yes. Electronic cigarettes banned on all Tubes, buses and trains in London The Independent The Independent Tabac : pourquoi la cigarette lectronique est une bonne option, selon Michel Cymes Stealth ban on e cigarettes on all of London's buses, trains and Tubes but not bus stops London Evening Standard The Standard Kit cigarette lectronique pod VIBE SE VAPORESSO Daze Vapor House London researchers find vaping can alter an important part of the lung CBC News