Long term smokers who start vaping see health benefits within a month New Scientist Teens Who Vape Are More Likely to Start Smoking SPH When People Both Vape and Smoke, They Don't Swap Cigarettes for E Cigs 80.8% people believe that vapes are less harmful than cigarettes VAPE HK Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times Products Data Briefs Number 475 July 2023