But PHE responded on Twitter by saying despite the risks, vaping is safer than tobacco and more effective in helping people quit than willpower alone. The agency said: "Our advice on e-cigarettes remains unchanged - vaping isn't completely risk-free but is far less harmful than smoking tobacco. "There is no situation where it would be better for your health to continue smoking rather than switching completely to vaping. "All UK e-cigarette products are tightly regulated for quality and safety by @MHRAgovuk. It's important to use UK-regulated e-liquids and never risk vaping home-made or illicit e-liquids or adding substances, any of which could be harmful. "Smoking kills thousands every year ... [Read more]