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: Know the Health Risks Department of Health What Does Vaping Do to Your Lungs? Johns Hopkins Medicine E CIGARETTES The interplay of electronic cigarette use and mental health a scoping review of bidirectional associations, underlying mechanisms, and moderating factors Unraveling the Truth: Is Nicotine Truly a Depressant?