New Study Shows Vaping Causes Mouth and Lung Cancer What Does the Science Say? This headline is powerful but it needs context. E cigarettes (vapes) expose users to fewer toxins than The Hidden Dangers of Vaping: How E Cigarettes Are Setting Kids Up for Serious Health Issues UICC OncoDaily E cigarettes accelerate lung colonization of breast cancer cells. A. Download Scientific Diagram Dual cigarette and e cig use increases human risk of lung cancer 40 times Stanton Glantz blog Teens inhale cancer causing chemicals in e cigarettes