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 PHE: Vaping 95% Less Harmful than Smoking Blog OK Vape Who Says Vaping is 95% Safer than Smoking? Ecigclick THOUGHTS? Sen. Richard Blumenthal criticized the move, calling it a massive gift to vaping companies. are e cigarettes unsafe? SiOWfa15: Science in Our World: Certainty and Controversy Are e cigarettes less harmful than smoking? Our blog post has the answer to this, and other common questions about vaping.