How Long Does Vape Smoke Stay in the Air? Guide How Do You Know When a Vape Pen Is Empty? 5 Key Signs 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 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