2. "The cross-sectional nature of our study does not allow us to identify whether most youths are initiating smoking with conventional cigarettes and then moving on to (usually dual use of) e-cigarettes or vice versa...".

"Smoking is not uniformly more hazardous than simply taking an exam."

Ads on TV and radio will be subject to scheduling restrictions to reduce the chance of e-cigarette advertisements being seen or heard by children. Furthermore, unless manufacturers obtain an authorisation for their product from the Medicines and Healthcare products Regulatory Agency, ads for e-cigarettes cannot convey health benefits or claim that they are ‘safer’ or ‘healthier’ than smoking tobacco.

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