Use of e cigarettes after quitting smoking increases lung cancer risk Cancerworld Magazine E Cigarettes, Vapes, and other Electronic Nicotine Delivery Systems (ENDS) FDA CoEHAR Replica study: "Claim that e cigarette aerosols make cancer cells more resistant to chemotherapy debunked!" CoEHAR Irish Cancer Society position on e cigarettes Irish Cancer Scientists are raising serious concerns about the long term health effects of vaping, warning that it could increase the risk of lung and mouth cancer. Recent research suggests that the chemicals inhaled through E cigarette May Help to Quit Smoking With Minimal Side Effects, Suggest Studies