Intended for healthcare professionals

Letters Smoking cessation and mental health

Article does not prove that smoking cessation has an “effect” on mental health

BMJ 2014; 348 doi: (Published 10 March 2014) Cite this as: BMJ 2014;348:g2018
  1. Saskia C Sanderson, adjunct assistant professor1,
  2. Amy Taylor, research associate2,
  3. Marcus Munafò, professor of biological psychology2
  1. 1Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
  2. 2School of Experimental Psychology, University of Bristol, Bristol, UK
  1. saskia.sanderson{at}

Taylor and colleagues show a clear association between smoking cessation and improved mental health.1 This may help reassure patients that quitting smoking need not have a lasting adverse effect on mental health, and that it might even improve mental health. Nevertheless, readers of the press release and media coverage could be forgiven for believing that the study …

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