Vaping and Lung Cancer Screening Capitol Imaging Services Doctors Terrified by Vaping Lung Injuries, Deaths The Brink Boston University 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 The Mysterious Vaping Illness That's 'Becoming an Epidemic' The New York Times