How Switching to E Cigarettes After Smoking Cessation Affects Lung Cancer Risk Does Vaping Increase the Risk of Lung Cancer? Recent studies suggest that while vaping may seem safer than smoking, it still carries risks! Vaping can expose your Australian researchers have issued one of the strongest warnings yet about vaping, saying a major review of evidence suggests e cigarettes are likely to cause lung and oral cancer. The review found signs Can vaping cause cancer? The evidence suggests it might.