10 year study to shed light on youth vaping GOV.UK Keep calm and vape on: Britain embraces e cigarettes, US cautious The Straits Times E cigarettes should be on sale in hospital shops, health body says Vaping The Guardian Vapers rise 'to more than three million' in Britain BBC News PDF) Vaping and e cigarettes: A public health warning or a health promotion tool? PHE publishes independent expert e cigarettes evidence review GOV.UK