WARNING E cigarettes with nicotine are highly addictive and are harmful to health. Some of their toxic substances are known to cause cancer increase the risk of heart and lung disorders. #CommitToQuit E cigarettes are like a flamethrower of chemicals, says Natalie Gassman, Ph.D., who conducts cancer research at the MCI. Read more about her important work related to vaping, tanning and more in this Does Vaping Cause Lung Cancer? Prevalence of cigarette and e cigarette use among U.S. adults eligible for lung cancer screening based on updated USPSTF guidelines ScienceDirect E Cigarettes and Breast Cancer: Is Vaping Really Safer?