Does Vaping Cause Lung Cancer? What We Know (and Still Don't) Current thinking about the effects of e cigarettes on oral cancer risk BDJ Team 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 While vaping is not risk free, it is less harmful than tobacco Our World in Data Smoking affects more than one organ. It can silently increase the risk of multiple cancers and long term health complications, often before symptoms even begin to appear. Tobacco use is directly linked to