Vaping may seem like a less harmful alternative to smoking, but the truth is far more concerning. Vaping can introduce dangerous chemicals into the body, including nicotine, propylene glycol, and various toxic Proposed low temperature oxidative degradation scheme for propylene glycol. Download Scientific Diagram 1 in 3 teens who vape say they get e cigarettes online, including through social media apps. (PMC study) Parents: Monitor online activity, start the conversation, and stay informed. Learn more at E cigarettes can emit formaldehyde at high levels under conditions that have been reported to be non averse to users Scientific Reports