Scientists Warn: Vaping Likely Causes Cancer The research looked at the chemical composition of "vape smoke" and assessed its cancer risk using data from published animal studies. Read more Can vaping cause cancer? The evidence suggests it might. The Washington Post E Cigarettes and Vaping OHSU Can vaping cause cancer? Risks and more E cigarettes Found to Cause Change in Mouth Bacteria Which Could Lead to Gum Disease or Oral Cancer Respiratory Therapy