In recent years, the number of e cigarette users worldwide has sharply increased, with many believing that vaping is less harmful than smoking traditional cigarettes. However, health experts are warning of its negative Best E Cigarettes to Quit Smoking E Cigarette Reviews and Rankings Awareness of vaping risks key to reducing e cigarette use among young people The George Institute for Global Health All E Cigarettes Emit Harmful Chemicals, but Some Emit More Than Others Berkeley Lab Berkeley Lab News Center