E cigarettes win first approval as a 'medicine' opening way for prescription by the NHS Behaviour Change By Design (BCBD)Policies for tobacco and e cigarette use: a survey of all higher education institutions and NHS Trusts in England Behaviour Change By Design (BCBD) Vaping may be causing irreversible harm to children's health, doctors say Vaping The Guardian About E Cigarettes (Vapes) Smoking and Tobacco Use CDC Are Electronic Cigarettes Killing Smoking? E Cigarette Direct Hospitals should sell e cigarettes and provide vaping lounges, health officials say UK News Sky News