Strong evidence shows vaping likely causes cancer. Time to rethink that vape? #FlyingKetchup Does Vaping Cause Lung Cancer? A scientific review has raised fresh concerns about the long term cancer risks of vaping, concluding that e cigarettes are probably carcinogenic, while also acknowledging significant gaps in the evidence. The analysis of reviews 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 We were shocked': Vaping considerably increases lung cancer risk among people who smoke American Cancer Society to vape company: Keep our name outta your mouth Ars Technica