Can Vaping Cause Cancer? What Does It Do to Your Lungs? 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 We were shocked': Vaping considerably increases lung cancer risk among people who smoke Can vaping cause cancer? The evidence suggests it might. An oncologist shares what he tells people when they ask about vapes and cancer risk. Can Vaping Cause Lung Cancer? Here's What We Know.