Juul boosted: Study establishes e cigarettes as effective smoking cessation tool E cigarettes didn't help smokers quit, study says CNN Vapes might be less harmful than traditional cigarettes and might help smokers quit smoking, but they are not safe, especially for individuals younger than 25 years old. Plus, much is still unknown Study: E Cigs Better Than Gum, Patches in Helping Smokers Quit E Cigarettes Vaping Information