E cigarette May Help to Quit Smoking With Minimal Side Effects, Suggest Studies Use of e cigarettes after quitting smoking increases lung cancer risk Cancerworld Magazine E cigarette vapor linked to cancer in mice National Institutes of Health (NIH) E Cigarettes, Vapes, and other Electronic Nicotine Delivery Systems (ENDS) FDA 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