{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,8]],"date-time":"2026-03-08T20:27:35Z","timestamp":1773001655477,"version":"3.50.1"},"reference-count":65,"publisher":"Oxford University Press (OUP)","issue":"8","license":[{"start":{"date-parts":[[2019,5,6]],"date-time":"2019-05-06T00:00:00Z","timestamp":1557100800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/journals\/pages\/open_access\/funder_policies\/chorus\/standard_publication_model"}],"funder":[{"name":"Discovery Fund Postdoctoral Fellowship"},{"DOI":"10.13039\/501100000038","name":"Natural Sciences and Engineering Research Council of Canada","doi-asserted-by":"publisher","award":["RGPIN-1502"],"award-info":[{"award-number":["RGPIN-1502"]}],"id":[{"id":"10.13039\/501100000038","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2020,7,16]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:sec>\n                  <jats:label\/>\n                  <jats:p>Human research of nicotine and tobacco effects demonstrates that non-pharmacological factors may systematically affect responses to administered substances and inert placebos. Failure to measure or manipulate these factors may compromise study reliability and validity. This is especially relevant for double-blind placebo-controlled research of nicotine, tobacco, and related substances. In this article, we review laboratory-based human research of the impact of non-pharmacological factors on responses to tobacco and nicotine administration. Results suggest that varying beliefs about drug content and effects, perceptions about drug use opportunities, and intentions to cease drug use systematically alter subjective, behavioral, and physiological responses to nicotine, tobacco, and placebo administration. These non-pharmacological factors should be considered when designing and interpreting the findings of human research of nicotine and tobacco effects, particularly when a double-blind placebo-controlled design is used. The clinical implications of these findings are discussed, and we propose methodological strategies to enhance the reliability and validity of future research.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Implications<\/jats:title>\n                  <jats:p>Growing research demonstrates that non-pharmacological factors systematically alter responses to acute nicotine, tobacco, and placebo administration. Indeed, varying beliefs about nicotine and\/or tobacco administration and effects, differing perceptions about nicotine and\/or tobacco use opportunities, and inconsistent motivation to quit smoking have been found to exert important influences on subjective, physiological, and behavioral responses. These variables are infrequently measured or manipulated in nicotine and tobacco research, which compromises the validity of study findings. Incorporating methodological strategies to better account for these non-pharmacological factors has the potential to improve the quality of addiction research and treatment.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1093\/ntr\/ntz064","type":"journal-article","created":{"date-parts":[[2019,4,24]],"date-time":"2019-04-24T19:15:18Z","timestamp":1556133318000},"page":"1260-1266","source":"Crossref","is-referenced-by-count":5,"title":["Non-pharmacological Considerations in Human Research of Nicotine and Tobacco Effects: A Review"],"prefix":"10.1093","volume":"22","author":[{"given":"Hera E","family":"Schlagintweit","sequence":"first","affiliation":[{"name":"Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, Ontario, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Robin N","family":"Perry","sequence":"first","affiliation":[{"name":"Department of Psychology and Neuroscience, Dalhousie University, Halifax, Nova Scotia, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Christine","family":"Darredeau","sequence":"first","affiliation":[{"name":"Department of Psychology and Neuroscience, Dalhousie University, Halifax, Nova Scotia, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sean P","family":"Barrett","sequence":"first","affiliation":[{"name":"Department of Psychology and Neuroscience, Dalhousie University, Halifax, Nova Scotia, Canada"},{"name":"Department of Psychiatry, Dalhousie University, Halifax, Nova Scotia, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"286","published-online":{"date-parts":[[2019,5,6]]},"reference":[{"issue":"1","key":"2020071609124082800_CIT0001","doi-asserted-by":"crossref","first-page":"33","DOI":"10.1146\/annurev.pharmtox.48.113006.094711","article-title":"Mechanisms of placebo and placebo-related effects across diseases and 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