Former Smokers Who Vape at Greater Risk of Lung Cancer RT Australia Adds Vape Graphic Warnings Tobacco Reporter The rise of teen vaping is worrying doctors worldwide. While e cigarettes were once marketed as a safer alternative, research shows they contain nicotine, heavy metals, and cancer causing chemicals that can damage developing A new research by scientists at the #UNSW in #Sydney has revealed that #nicotine based #vapes, or #ecigarettes, are likely to cause #cancer of the lung and oral cavity. Link in Bio Vaping, Environmental Toxicants Exposure, and Lung Cancer Risk