Click through to visit this link – E-Cigarettes Added to Counseling Can Help Smokers Quit at 12 Weeks Tobacco smokers who receive e-cigarettes in addition to counseling are twice as likely to quit by 12 weeks, according to data from the multicenter, randomized E3 trial. This benefit is seen even when the e-cigarettes don’t contain nicotine, though to a smaller degree. e-cigarettes-added-to-counseling-can-help-smokers-quit-at-12-weeks.