E-cigarettes may not be helpful for people who want to quit smoking. Among survey respondents who used e-cigarettes to quit prior to 2017, less than 10% successfully abstained from cigarettes for over 12 months as of 2019. However, those who used nicotine replacement therapy (NRT) or a pharmaceutical aid only had a 15.2% abstinence rate. Among those who used no products in their quit attempts, 18.6% were successful. Overall, e-cigarettes were associated with seven fewer successful quitters per 100 quit attempters.
Of those attempting to quit before 2017, 12.6% reported using e-cigarettes in . . .