The next Vaping in England report, commissioned by the Department, includes a chapter on heated tobacco products. It reviews data on use of these products, the evidence for use in smoking cessation and the exposure of users to major toxicants. The report will be published later this summer. In addition, a systematic review on heated tobacco was published by the Cochrane Collaboration earlier this year, which is available at the following link:
No assessment has been made for the introduction of a traffic light system for the relative health impacts on tobacco and nicotine products.