Health effects of electronic cigarettes Wikipedia Flavouring chemicals commonly detected in e cigarette products (n = 166) Download Scientific Diagram E cigarettes: 'cancer risk close to zero' Bhekisisa Electronic Cigarettes and Vaping: Factsheet Positive Choices Vaping is often marketed as a safer alternative to smoking, but many vape products contain nicotine, harmful chemicals, and heavy metals that can harm developing brains and lungs.