Cannabis use disorder is associated with greater illness severity in tobacco smoking patients with bipolar disorder.

[1]  I. Melle,et al.  Cannabis use in first‐treatment bipolar I disorder: relations to clinical characteristics , 2016, Early intervention in psychiatry.

[2]  I. Miller,et al.  Adjunctive psychosocial intervention following Hospital discharge for Patients with bipolar disorder and comorbid substance use: A pilot randomized controlled trial , 2015, Psychiatry Research.

[3]  Philip D. Harvey,et al.  Current smoking is associated with worse cognitive and adaptive functioning in serious mental illness , 2015, Acta psychiatrica Scandinavica.

[4]  Steven H. Jones,et al.  The Relationship between Bipolar Disorder and Cannabis Use in Daily Life: An Experience Sampling Study , 2015, PloS one.

[5]  J. Rehm,et al.  The association between cannabis use and mood disorders: A longitudinal study. , 2015, Journal of affective disorders.

[6]  K. Brady,et al.  Cannabis use disorder as a correlate of suicide attempts among people with bipolar disorder , 2015, Bipolar disorders.

[7]  J. Haro,et al.  Cannabis and bipolar disorder: does quitting cannabis use during manic/mixed episode improve clinical/functional outcomes? , 2015, Acta psychiatrica Scandinavica.

[8]  M. Broome,et al.  Cannabis use and mania symptoms: a systematic review and meta-analysis. , 2015, Journal of affective disorders.

[9]  M. Leboyer,et al.  Staging systems in bipolar disorder: an International Society for Bipolar Disorders Task Force Report , 2014, Acta psychiatrica Scandinavica.

[10]  A. Guastella,et al.  Functional impairment in adolescents and young adults with emerging mood disorders , 2014, British Journal of Psychiatry.

[11]  K. Brady,et al.  Attempted suicide in people with co-occurring bipolar and substance use disorders: systematic review and meta-analysis. , 2014, Journal of affective disorders.

[12]  J. Aubry,et al.  Cannabis use and first manic episode. , 2014, Journal of affective disorders.

[13]  Sarah M. Hartz,et al.  Comorbidity of severe psychotic disorders with measures of substance use. , 2014, JAMA psychiatry.

[14]  A. Girling,et al.  Change in mental health after smoking cessation: systematic review and meta-analysis , 2014, BMJ : British Medical Journal.

[15]  K. Straif,et al.  Effect modification of the association of cumulative exposure and cancer risk by intensity of exposure and time since exposure cessation: a flexible method applied to cigarette smoking and lung cancer in the SYNERGY Study. , 2014, American journal of epidemiology.

[16]  I. Melle,et al.  Indications of a dose–response relationship between cannabis use and age at onset in bipolar disorder , 2014, Psychiatry Research.

[17]  J. Rehm,et al.  Bipolar disorder and co-occurring cannabis use disorders: Characteristics, co-morbidities and clinical correlates , 2013, Psychiatry Research.

[18]  A. Nierenberg,et al.  SMOKING AND SUICIDALITY IN SUBJECTS WITH BIPOLAR DISORDER: RESULTS FROM THE NATIONAL EPIDEMIOLOGIC SURVEY ON ALCOHOL AND RELATED CONDITIONS (NESARC) , 2013, Depression and anxiety.

[19]  I. Melle,et al.  Additive effects of childhood abuse and cannabis abuse on clinical expressions of bipolar disorders , 2013, Psychological Medicine.

[20]  R. Weiss,et al.  Cognitive and psychosocial functioning in bipolar disorder with and without psychosis during early remission from an acute mood episode: a comparative longitudinal study. , 2013, Comprehensive psychiatry.

[21]  B. Dunlop,et al.  Do alcohol use disorders destabilize the course of bipolar disorder? , 2013, Journal of affective disorders.

[22]  P. DeRosse,et al.  Cognitive and clinical outcomes associated with cannabis use in patients with bipolar I disorder , 2012, Psychiatry Research.

[23]  P. Grof,et al.  Adolescent substance use disorder during the early stages of bipolar disorder: a prospective high-risk study. , 2012, Journal of affective disorders.

[24]  M. Large,et al.  The age at onset of psychosis and tobacco use: a systematic meta-analysis , 2012, Social Psychiatry and Psychiatric Epidemiology.

[25]  A. Agrawal,et al.  The co-occurring use and misuse of cannabis and tobacco: a review. , 2012, Addiction.

[26]  M. Leboyer,et al.  Clinical expression of bipolar disorder type I as a function of age and polarity at onset: convergent findings in samples from France and the United States. , 2012, The Journal of clinical psychiatry.

[27]  S. Strakowski,et al.  Cigarette smoking and its relationship to mood disorder symptoms and co‐occurring alcohol and cannabis use disorders following first hospitalization for bipolar disorder , 2012, Bipolar disorders.

[28]  F. Bellivier,et al.  Suicidal attempts in bipolar disorder: results from an observational study (EMBLEM) , 2011, Bipolar disorders.

[29]  J. Biederman,et al.  Psychosocial functioning, familiality, and psychiatric comorbidity in bipolar youth with and without psychotic features. , 2011, The Journal of clinical psychiatry.

[30]  J. Peuskens,et al.  Effects of cannabis use on age at onset in schizophrenia and bipolar disorder , 2011, Schizophrenia Research.

[31]  J. Nurnberger,et al.  Cannabis involvement in individuals with bipolar disorder , 2011, Psychiatry Research.

[32]  I. Melle,et al.  Excessive cannabis use is associated with earlier age at onset in bipolar disorder , 2011, European Archives of Psychiatry and Clinical Neuroscience.

[33]  T. Suppes,et al.  Early-onset bipolar disorder and treatment delay are risk factors for poor outcome in adulthood. , 2010, The Journal of clinical psychiatry.

[34]  M. Tohen,et al.  Baseline characteristics and outcomes in patients with first episode or multiple episodes of acute mania. , 2010, The Journal of clinical psychiatry.

[35]  Donatella Marazziti,et al.  Cognitive impairment in major depression. , 2010, European journal of pharmacology.

[36]  F. Kapczinski,et al.  Birth‐cohort and dual diagnosis effects on age‐at‐onset in Brazilian patients with bipolar I disorder , 2009, Acta psychiatrica Scandinavica.

[37]  Christina N. Lessov-Schlaggar,et al.  Test-Retest Reliability of Web-Based Retrospective Self-Report of Tobacco Exposure and Risk , 2009, Journal of medical Internet research.

[38]  D. James,et al.  Tobacco smoking behaviors in bipolar disorder: a comparison of the general population, schizophrenia, and major depression. , 2009, Bipolar disorders.

[39]  J. van os,et al.  Does Cannabis Use Affect Treatment Outcome in Bipolar Disorder?: A Longitudinal Analysis , 2009, The Journal of nervous and mental disease.

[40]  S. Strakowski,et al.  Cigarette smoking in the early course of bipolar disorder: association with ages-at-onset of alcohol and marijuana use. , 2008, Bipolar disorders.

[41]  M. Tohen,et al.  Sequencing of substance use and affective morbidity in 166 first-episode bipolar I disorder patients. , 2008, Bipolar disorders.

[42]  M. Tohen,et al.  Going up in smoke: tobacco smoking is associated with worse treatment outcomes in mania. , 2008, Journal of affective disorders.

[43]  L. Judd,et al.  Residual symptom recovery from major affective episodes in bipolar disorders and rapid episode relapse/recurrence. , 2008, Archives of general psychiatry.

[44]  I. Melle,et al.  Illicit drug use in patients with psychotic disorders compared with that in the general population: a cross‐sectional study , 2007, Acta psychiatrica Scandinavica.

[45]  M. Cerullo,et al.  The prevalence and significance of substance use disorders in bipolar type I and II disorder , 2007, Substance abuse treatment, prevention, and policy.

[46]  R. de Graaf,et al.  Does cannabis use predict the first incidence of mood and anxiety disorders in the adult population? , 2007, Addiction.

[47]  Peter B. Jones,et al.  Cannabis use and risk of psychotic or affective mental health outcomes: a systematic review , 2007, The Lancet.

[48]  Tanya B. Tran,et al.  The relationship between smoking and suicidal behavior, comorbidity, and course of illness in bipolar disorder. , 2006, The Journal of clinical psychiatry.

[49]  R. de Graaf,et al.  Cannabis use and expression of mania in the general population. , 2006, Journal of affective disorders.

[50]  L. Judd,et al.  Psychosocial disability in the course of bipolar I and II disorders: a prospective, comparative, longitudinal study. , 2005, Archives of general psychiatry.

[51]  S. Wisniewski,et al.  Prevalence and correlates of tobacco use in bipolar disorder: data from the first 2000 participants in the Systematic Treatment Enhancement Program. , 2005, General hospital psychiatry.

[52]  P. Visscher,et al.  Genetic survival analysis of age-at-onset of bipolar disorder: evidence for anticipation or cohort effect in families , 2001, Psychiatric genetics.

[53]  B. Carroll,et al.  Substance abuse in bipolar disorder. , 2001, Bipolar disorders.

[54]  M. Gill,et al.  Cigarette smoking and psychotic symptoms in bipolar affective disorder , 2001, British Journal of Psychiatry.

[55]  A. Rush,et al.  Axis I psychiatric comorbidity and its relationship to historical illness variables in 288 patients with bipolar disorder. , 2001, The American journal of psychiatry.

[56]  David P. Farrington,et al.  Some benefits of dichotomization in psychiatric and criminological research , 2000 .

[57]  N. Benowitz,et al.  Drug Interactions with Tobacco Smoking , 1999, Clinical pharmacokinetics.

[58]  A. Rush,et al.  The Inventory of Depressive Symptomatology (IDS): psychometric properties , 1996, Psychological Medicine.

[59]  J. Nurnberger,et al.  Diagnostic interview for genetic studies. Rationale, unique features, and training. NIMH Genetics Initiative. , 1994, Archives of general psychiatry.

[60]  D. C. Howell.  Statistical Methods for Psychology , 1987 .

[61]  M. Åsberg,et al.  A New Depression Scale Designed to be Sensitive to Change , 1979, British Journal of Psychiatry.

[62]  R. C. Young,et al.  A Rating Scale for Mania: Reliability, Validity and Sensitivity , 1978, British Journal of Psychiatry.

[63]  K. Walters,et al.  Meta-analysis A systematic review and meta-analysis of premature mortality in bipolar affective disorder , 2015 .

[64]  S. Strakowski,et al.  Effects of co-occurring cannabis use disorders on the course of bipolar disorder after a first hospitalization for mania. , 2007, Archives of general psychiatry.

[65]  J. Hennen,et al.  A randomized trial of integrated group therapy versus group drug counseling for patients with bipolar disorder and substance dependence. , 2007, The American journal of psychiatry.

[66]  J. McEvoy,et al.  Smoking and psychosis in patients with bipolar I disorder. , 2002, Comprehensive psychiatry.

[67]  T. Lidz,et al.  On attempted suicide. , 1958, A.M.A. archives of neurology and psychiatry.