E cigarettes: effective cessation tool or new gateway to smoking tobacco? UICC E Cigarettes Are Effective at Helping Smokers Quit, a Study Says The New York Times Is Vaping Bad For You? Up in Smoke? E Cigarette & Vaping Lawsuits Explode in 2019 Hall and Evans LLC Vaping just once raises oxidative stress levels in nonsmokers, increasing disease risk UCLA Do Less Harm: E Cigarettes a Safer Option Than Smoking