Makers of E Cigarettes Tout Role in Smoking Cessation Cancer Today Vaping creates unique pathway to cancer Flavoring Ingredient Found In E Cigarettes Can Potentially Cause Cancer, Researchers Say CBS Philadelphia Evidence that e cigarettes promote breast cancer Stanton Glantz blog Adolescents and E cigarette Use: Long term Effects, Behaviors and Lung Injury Use of e cigarettes after quitting smoking increases lung cancer risk Cancerworld Magazine