Cancer : la consommation d'e cigarettes modifie les cellules AT Schweiz 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 Safety Not Yet Proven CANSA The Cancer Association of South Africa CANSA The Cancer Association of South Africa Potentially dangerous molecules detected in e cigarette aerosols Penn State Health News