E cigarette companies use COVID 19 to sell nicotine, study finds Juul disregarded early evidence it was hooking teens Research shows vaping link to COVID 19; long term effects of infection in e cigarette smokers still unknown Firstpost 1.7 million more kids started smoking above historical trends after ecigs became widely used Stanton Glantz blog Cigarette Smoking is Down Nationwide, but Not Equally Across All Groups AHR A randomized controlled study in healthy participants to explore the exposure continuum when smokers switch to a tobacco heating product or an E cigarette relative to cessation ScienceDirect