Leading Health and Medical Groups Campaign for Tobacco Free Kids Can Vaping Cause Cancer? Lung, Oral, and Bladder Vaping and Throat Cancer: What You Need to Know 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 Vaping releases toxic chemicals, including heavy metals, as well as ultrafine particles that go deep into the lungs. These increase the risk of heart and lung disorders.