Vaping Dangers: What Parents Should Know Attorney General Brian Schwalb 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 This statement is common, but it is not true! According to the manufacturer, a single JUUL pod contains as much nicotine as a pack of 20 regular cigarettes! Nearly Half of JUULpods Contain Lung Toxin Study Says