Can Vaping Cause Cancer? Lung, Oral, and Bladder Does Vaping Or Smoking Marijuana Cause Lung Cancer? SERO The Side Effects and Cancer Risk Associated with Vaping 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 While vaping is not risk free, it is less harmful than tobacco Our World in Data Does vaping cause lung cancer? UT MD Anderson