Cancer Research UK: No Popcorn Lung from E Cigarettes Switching from Smoking to E Cigarettes Reduces Carcinogenic Exposure: E Cigarettes: Good Idea? Bad Idea? BU Today Boston University 61% of ex smokers who use e cigarettes say they vape to help them stop smoking. Research so far shows that vaping is far safer than smoking. Find out more: http: po.st 2FpW7T Cancer Research UK 61% of ex smokers who use e cigarettes say they vape to help them stop smoking. Research so far shows that vaping is far less harmful than smoking. Find out more: http: po.st X2Ckfa Cancer Research Broad evidence implicates e cigarettes as a cause of cancer Stanton Glantz blog