70 of the 7 Thousand Chemicals in That Smoke Cause Cancer Yeditepe niversitesi Hastanesi Nicotine Vapes Linked to Lung and Oral Cancers Melvin Sanicas posted on the topic LinkedIn E cigarettes are likely to cause cancer, including in the lungs and mouth, according to a sweeping review of scientific evidence that challenges their positioning as a safer alternative to smoking. There is Eliminating Tobacco Use in Washington Kids American Heart Association Vaping 'likely' to cause lung and oral cancers, 'most definitive determination' to date finds Electronic Cigarettes and Vaping: Factsheet Positive Choices