E Cigarettes and Vaping PPAC Central FDA Issues New Regulations E Cigarettes and Other Tobacco Products E cigarettes can help smokers quitbut do not use them casually, researchers warn E Cigarettes Are Effective at Helping Smokers Quit, a Study Says The New York Times e Cigarettes Safety Not Yet Proven CANSA The Cancer Association of South Africa CANSA The Cancer Association of South Africa E Cigarettes Can Help Smokers Quit, British Doctors Say