News analysis / United Kingdom

Cessation evidence unclear, but second-gen devices may help

24th May 2016 | News analysis |

A new systematic review of e-cigarettes and smoking cessation is claimed to be the most comprehensive so far as it covers not only published, peer-reviewed studies – including observational research as well as RCTs – but also so-called “grey literature”, material published outside of peer review.

E-cig science: do meta-analyses really matter?

5th April 2016 | News analysis |

In the past year or so, scientists have conducted several systematic reviews that aim to analyse research evidence in order to find whether e-cigs help people quit smoking. The issue addressed by studies like these (which can also be known as meta-analyses) is, of course, one of the primary public-health and policy questions about the devices. But how much value should we place on their findings?