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 Vaping nicotine, THC may increase depression, anxiety in young adults: study Arrt du tabac et dpression : les mcanismes de la nicotine et des additifs expliqus How Do Cigarettes Cause Cancer? Memorial Sloan Kettering Cancer Center Health effects and known pathology associated with the use of E cigarettes ScienceDirect