A comprehensive review of recent peer reviewed research provides the strongest evidence to date that using electronic cigarettes likely causes both oral and lung cancers in humans. https: modernsciences.org vaping likely causes oral lung cancer april Lung cancer risks persist with e cigarette use after quitting tobacco smoking Growing the research evidence on e cigarettes by Research at CRUK Medium New research shows e cigarette use up sharply among younger adults in US during EVALI outbreak and COVID 19 pandemic E Cigarette Vapor Linked to Lung Cancer in Mice