<human>: Is there any evidence that e-cigarettes are effective in helping people quit smoking?
<bot>: Yes, there is some evidence that e-cigarettes may be effective in helping people quit smoking. A recent review of the research found that e-cigarettes were more effective than nicotine replacement therapy (NRT) at helping people quit smoking and had fewer side effects. Additionally, a study from 2018 found that e-cigarettes were significantly more successful at helping smokers quit compared to NRT.