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 E cigarettes may lead to cancer: Study, ETHealthworld Young adult cancer survivors more likely than peers to use e cigarettes More cancer causing chemicals found in electronic cigarettes The Verge Teens inhale cancer causing chemicals in e cigarettes Massachusetts new vaping campaign done with student input masslive.com