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 Evidence update on the cancer risk of vaping e cigarettes: A systematic review E Cigarette Vapor Linked to Lung Cancer in Mice How E Cigarettes Affect Your Body Although research on cancer risks associated with vaping is still limited, a 2025 systematic review found substantial evidence that e cigarette exposure is associated with biomarkers reflective of cancer disease risk. This includes Can You Get Lung Cancer From Vaping SMOKO E Cigarettes