Current thinking about the effects of e cigarettes on oral cancer risk BDJ Team 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 The Hidden Dangers of Vaping: How E Cigarettes Are Setting Kids Up for Serious Health Issues UICC OncoDaily Switching to E Cigarettes Did not Prevent His Lung Cancer Death