Electronic cigarette Wikipedia A highly publicised study by Public Health England (PHE) that claimed that e cigarettes are 95 percent less harmful than tobacco has been attacked by medical journal The Lancet for relying on weak HealthMatch Vaping may be safer than cigarettes, but it's not safe FDA ban on certain flavored e cigarettes 'doesn't appear to be working' The vape debate: UK health department study deems e cigarettes 95pc less harmful than tobacco South China Morning Post