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We systematically examined evidence for the relationship between impulsivity and tobacco use in people with psychiatric disorders.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Following PRISMA guidelines, original peer\u2010reviewed articles published from database inception to July 2024 were searched for using PubMed, Google Scholar, ProQuest, Ovid, and PsycINFO.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Of 1192 articles identified, 16 met the inclusion criteria. There was consistent evidence of a positive relationship between tobacco use and impulsivity in schizophrenia (SZ), major depressive disorder (MDD) and bipolar disorder (BD). However, the majority of studies were cross\u2010sectional studies, preventing causal inferences.<\/jats:p><\/jats:sec><jats:sec><jats:title>Discussion and Conclusions<\/jats:title><jats:p>Tobacco smoking is robustly associated with impulsivity in people with SZ, MDD, and BD, although causal conclusions cannot be drawn due to methodological limitations of the current literature. Future prospective and experimental studies are needed to ascertain whether impulsivity is a risk factor for smoking, how tobacco use affects impulsivity, and whether impulsivity may be a treatment target for smoking cessation.<\/jats:p><\/jats:sec><jats:sec><jats:title>Scientific Significance<\/jats:title><jats:p>To our knowledge, this article is the first comprehensive review of literature, specifically examining the relationship of tobacco smoking and impulsivity among individuals with psychiatric disorders. By highlighting this understudied intersection, our findings provide novel insights into the relationship between smoking behaviors and impulsivity in individuals with mental illness, contributing to more effective treatment strategies and emphasizing the need for tailored interventions to address these co\u2010morbidities.<\/jats:p><\/jats:sec>","DOI":"10.1111\/ajad.70032","type":"journal-article","created":{"date-parts":[[2025,4,17]],"date-time":"2025-04-17T05:24:06Z","timestamp":1744867446000},"page":"383-403","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Tobacco use and impulsivity in people with mental illness: A systematic review"],"prefix":"10.1111","volume":"34","author":[{"ORCID":"https:\/\/orcid.org\/0009-0008-9924-6508","authenticated-orcid":false,"given":"Angela","family":"Praecht","sequence":"first","affiliation":[{"name":"Addictions Division Centre for Addiction and Mental Health (CAMH) Toronto Ontario Canada"},{"name":"Institute of Medical Sciences and Department of Psychiatry, Temerty Faculty of Medicine University of Toronto Toronto Ontario Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shivahn","family":"Garvie","sequence":"additional","affiliation":[{"name":"Addictions Division Centre for Addiction and Mental Health (CAMH) Toronto Ontario Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1927-2770","authenticated-orcid":false,"given":"Maryam","family":"Sorkhou","sequence":"additional","affiliation":[{"name":"Addictions Division Centre for Addiction and Mental Health (CAMH) Toronto Ontario Canada"},{"name":"Institute of Medical Sciences and Department of Psychiatry, Temerty Faculty of Medicine University of Toronto Toronto Ontario Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"James","family":"MacKillop","sequence":"additional","affiliation":[{"name":"Peter Boris Centre for Addictions Research, Department of Psychiatry McMaster University Hamilton Ontario Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1645-9767","authenticated-orcid":false,"given":"Tony P.","family":"George","sequence":"additional","affiliation":[{"name":"Addictions Division Centre for Addiction and Mental Health (CAMH) Toronto Ontario Canada"},{"name":"Institute of Medical Sciences and Department of Psychiatry, Temerty Faculty of Medicine University of Toronto Toronto Ontario Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2025,4,16]]},"reference":[{"key":"e_1_2_8_2_1","volume-title":"Cecil Textbook of Medicine","author":"George TP","year":"2023"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1186\/s13104-016-1894-9"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1176\/ajp.143.8.993"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1186\/1471-2458-9-285"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1360-0443.2009.02545.x"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.1080\/14622200410001727939"},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.psychres.2011.05.016"},{"issue":"3","key":"e_1_2_8_9_1","first-page":"51","article-title":"Relationships between depressive symptoms, anxiety, impulsivity and cigarette and E\u2010cigarette use among young adults","volume":"81","author":"Masaki K","year":"2022","journal-title":"Hawai'i J Health Social Welfare"},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41386-023-01776-0"},{"key":"e_1_2_8_11_1","doi-asserted-by":"publisher","DOI":"10.1111\/nyas.13977"},{"key":"e_1_2_8_12_1","doi-asserted-by":"publisher","DOI":"10.1136\/bmj.g1151"},{"key":"e_1_2_8_13_1","doi-asserted-by":"publisher","DOI":"10.1111\/ajad.12277"},{"issue":"3","key":"e_1_2_8_14_1","article-title":"Smoking cessation for improving mental health","volume":"3","author":"Taylor GM","year":"2021","journal-title":"Cochrane Database Syst Rev"},{"key":"e_1_2_8_15_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.pnpbp.2021.110479"},{"key":"e_1_2_8_16_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1369-1600.2008.00129.x"},{"key":"e_1_2_8_17_1","doi-asserted-by":"publisher","DOI":"10.1002\/1097-4679(199511)51:6<768::AID-JCLP2270510607>3.0.CO;2-1"},{"key":"e_1_2_8_18_1","doi-asserted-by":"crossref","unstructured":"Diagnostic and Statistical Manual of Mental Disorders (5th ed. text rev.). 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