@CNN: When combined with one-on-one behavior therapy, e-cigarettes are more effective in helping people quit smoking than traditional nicotine-replacement products such as patches and gum, a UK study finds. But some US researchers urge caution about the results. https://t.co/bmHYepI9gv

@CNN: When combined with one-on-one behavior therapy, e-cigarettes are more effective in helping people quit smoking than traditional nicotine-replacement products such as patches and gum, a UK study finds. But some US researchers urge caution about the results. https://t.co/bmHYepI9gv