Vaping causes similar DNA damage to smoking as study links e cigarettes to cancer risk UK News Sky News Vaping is banned in countries like Mexico and Thailand here are the countries where it's illegal or restricted Vaping Possible Negative Effects on Lungs: State of the Art From Lung Capacity Alteration to Cancer Cureus Vape Bans Aren't Helping Smokers in Thailand. What's Next? 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 Use tobacco, smoke or vape? Test your cancer IQ.