Cochrane reviews are the gold standard for determining if a treatment is effective in randomised controlled trials (RCTs). The recent Cochrane review on e-cigarettes found high-certainty evidence that vaping helps people quit smoking better than traditional nicotine replacement therapies (NRTs).

In his recent interview with Australian Doctor (‘Why Cochrane got it badly wrong: Aussie expert unpicks ‘pro-vaping’ review‘), Professor Simon Chapman dismissed the Cochrane review for not reflecting real-world behaviour.