Former Smokers Who Vape at Greater Risk of Lung Cancer RT Vaping Leads Lung Disease Cancer Lungs : image vectorielle de stock (libre de droits) 2588641363 Shutterstock Many students believe that vaping harmless, which is far from the truth. Vape pens can contain potentially harmful substances such as chemicals linked to lung disease, cancer causing chemicals, heavy metals such as Understanding Vaping and Lung Cancer: Risks and Insights Can vaping cause cancer? The evidence suggests it might. The Washington Post Is Vaping a Lung Cancer Risk? Elite Medical Center