E cigarettes Have Immediate Effects on Pulmonary Function RT Electronic Cigarettes Army Aviation Magazine E cigarettes can produce more formaldehyde than regular cigarettes, study says Los Angeles Times E cigarettes are more effective for quitting smoking, but experts warn they are not risk free Euronews As popularity of e cigarettes rises, more smokers are able to quit, study says Los Angeles Times E cigarettes may damage your health, French study finds RFI