E cigarettes are likely to cause cancer, including in the lungs and mouth, according to a sweeping review of scientific evidence that challenges their positioning as a safer alternative to smoking. There is E cigarettes may be helping thousands a year to quit smoking, but Stop Smoking Services are still the best option New research suggests that vapes are likely to cause oral and lung cancer. Read about the study via the link in the comments. E cigarette marketing in the UK Untitled The research looked at the chemical composition of "vape smoke" and assessed its cancer risk using data from published animal studies. Read more