Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times Does Vape Smoke Disappear What Happens When You Quit Smoking and Start Vaping? New research is changing what we know about vaping. A major study out of UNSW Sydney has found that e cigarettes are likely to cause both lung AND oral cancer, making this The risks of vaping near babies and children are often underestimated, but they are very real. E cigarette vapour can affect developing lungs, increase the risk of respiratory problems and compromise overall