New study shows that vaping causes lung and oral cancer and urges immediate government regulation to avoid repeating the tobacco industry's history. A comprehensive analysis of over 100 studies reveals that Does vaping cause cancer? Roseburg Community Cancer Center 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 Doctors Terrified by Vaping Lung Injuries, Deaths The Brink Boston University