Lung cancer risks persist with e cigarette use after quitting tobacco smoking Is vaping more harmful than smoking cigarettes? More people incorrectly think so: Newsroom UT Southwestern, Dallas, Texas E Cigarettes and Associated Health Risks: An Update on Cancer Potential Research is still evolving, but evidence continues to point to a link between smoking and breast cancer risk. From firsthand and secondhand smoke to vaping and cannabis, here's what scientists knowand what Supporting Tobacco Cessation on World Lung Cancer Dayand Beyond American Association for Cancer Research (AACR) 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