Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times Vaping Possible Negative Effects on Lungs: State of the Art From Lung Capacity Alteration to Cancer Cureus E cigarettes contain hazardous substances, addictive and harmful Be A Vape Free Teen Cecil County Health Department Psychiatry.org E Cigarettes and Vaping Vaping and Electronic Cigarette Toxicity Overview and Recommendations (Project VECTOR) Intrepid Lab