Villeneuve et al., EEG correlates of imagery-induced cigarette craving in male and female smokers
Results The smoking relapse rate within 6 months was 76.7%, and variables associated with relapse included the absence of supporters for quitting smoking (hazard ratio [HR]=1.42, 95% confidence interval [CI]=1.00-2.02), nicotine dependence (HR=1.09, 95% CI=1.03-1.15), the use of prescription medications (including varenicline or bupropion) (HR=3.99, 95% CI=1.83-8.71), and the number of consultations (HR=0.67, 95% CI= 0.63-0.70)
Globalizing tobacco control: Anti-smoking campaigns in California, France, and Japan (Indiana University Press, 2005) online Robert, Joseph C
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and effectively ban cigarettes as they are currently made and packaged now, since virtually all have filters which dont provide the benefits most smokers think they do