Smokers who want to quit can turn to a nicotine replacement products, prescription medications, and counseling. What about the newest stop-smoking aid, the electronic cigarette? Despite its appeal, we don’t know enough about the safety or effectiveness of electronic cigarettes to give them the green light. Preliminary studies from the FDA, New Zealand, and Greece raise some concerns about the dose of nicotine delivered and potentially harmful chemicals that might be in the vapor. Until good studies have been done on electronic cigarettes, the best way to quit involves using nicotine replacement or a medication along with some sort of counseling or support, either in person, by telephone, or even by text message.