How does smoking cause cancer? Cancer Research UK L'augmentation du prix des cigarettes incite t elle les acheter sur Internet ? Numerama Preclinical study suggests 'e cigarettes' may promote lung cancer in high risk individuals ecancer 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