E cigarettes can help people quit smoking but may be gateway for non smokers, studies suggest ABC News Major Study Says E Cigarettes Can Help Smokers Quit The Value of Providing Smokers with Free E Cigarettes: Smoking Reduction and Cessation Associated with the Three Month Provision to Smokers of a Refillable Tank Style E Cigarette E Cigarettes May Help Even Die Hard Smokers Kick the Habit Do E Cigarettes Help Smokers Quit? Live Science Studies: E cigarettes won't help smokers quit, but they may become addicted to vaping