Does Vaping Cause Lung Cancer? Moffitt Moffitt E cigarettes are not a healthier alternative to cigarettes. They contain nicotine and many harmful ingredients that can cause cancer and heart disease. Since these products are relatively new, we don't know all Vaping is a cancer risk although less so than smoking, researchers say Interdisciplinary Study Finds Vaping Likely Causes Cancer Labcompare.com Be A Vape Free Teen Cecil County Health Department