Is Vaping Bad For You? E Cigarettes Are Effective at Helping Smokers Quit, a Study Says The New York Times Do Less Harm: E Cigarettes a Safer Option Than Smoking FDA warns retailers against illegal sale of e cigarettes to children PBS News Vaping just once raises oxidative stress levels in nonsmokers, increasing disease risk UCLA Juuling: The New Threat Of Nicotine Addiction Georgia Public Broadcasting