Reduction in Cortisol After Smoking Cessation Among Users of Nicotine Patches
Michael Ussher, PhD,
Robert West, PhD,
Phil Evans, PhD,
Andrew Steptoe, PhD,
Andy McEwen, PhD,
Angela Clow, PhD and
Frank Hucklebridge, PhD
From the Division of Community Health Sciences (Psychology) (M.U.), St. Georges, University of London, London, United Kingdom; the Department of Epidemiology and Public Health (R.W., A.S., A.M.), University College London, United Kingdom; and the Departments of Psychology (P.E., A.C.) and Human and Health Sciences (F.H.), University of Westminster, London, United Kingdom.

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Figure 1. Mean cortisol concentration for those providing data across all five measurement points (n = 30, standard error bars are shown). = Presmoking abstinence measure taken one week before the quit day. *Decrease in cortisol between preabstinence and each further measurement time significant at p < .05.
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Copyright © 2006 by the American Psychosomatic Society