Dual Vaping and Smoking Quadruples Lung Cancer Risk Vape et cancer : mystre et inquitude https: l.science et vie.com IEZ Vaping can cause cancer, say researchers but still isn't as damaging as smoking cigarettes. More than 5.5 million Britons currently use e cigarettes, which have long been viewed as a safer alternative E cigarettes may help smokers cut back but that doesn't mean they're not toxic