To prevent e cigarette, or vaping, product use associated lung injury (EVALI), people should not use THC containing e cigarette, or vaping products, particularly from informal sources. Data suggest e cigarette, or vaping, products that contain THC Vaping and Electronic Cigarette Toxicity Overview and Recommendations (Project VECTOR) Intrepid Lab Health effects and known pathology associated with the use of E cigarettes ScienceDirect Health Issues What's the Harm? Texas DSHS