Vaping Causes Lung And Oral Cancer, Over 100 Studies Across The World Analysed WION YouTube Scientists Warn: Vaping Likely Causes Cancer Many people believe that vaping is less harmful than smoking, but that's a common misconception. In fact, in addition to nicotine, vapes can contain toxic chemicals that could be linked to cancer, French watchdog flags heart, lung and cancer risks as vape use grows RFI Teens inhale cancer causing chemicals in e cigarettes The research looked at the chemical composition of "vape smoke" and assessed its cancer risk using data from published animal studies. Read more