Article

Ahrens, Jessica and Ford, Sabrina D and Schaefer, Betsy and Reese, David and Khan, Ali R and Tibbo, Philip and Rabin, Rachel and Cassidy, Clifford M and Palaniyappan, Lena (2025) Convergence of cannabis and psychosis on the dopamine system. JAMA Psychiatry , Early online .

Sharma, Rishi and Weinstein, Aviv (2025) Gambling disorder comorbidity a narrative review. Dialogues in Clinical Neuroscience , 27 , (1) , pp. 1-18.

Millar, Seán (2025) Psychotic illness triggered by widely available semi-synthetic cannabinoid. Drugnet Ireland , Issue 90, Winter 2025 , p. 15.

Pourebrahim, Sepehr and Ahmad, Tooba and Rottmann, Elisabeth and Schulze, Johannes and Scheller, Bertram (2025) Does cannabis use contribute to schizophrenia? A causation analysis based on epidemiological evidence. Biomolecules , 15 , (3) .

Helali, Helya and Samani, Nastaran and Tabeie, Faraj and Eiliaei, Shiva and Kheradmand, Ali (2025) The effectiveness of Transcranial Photobiomodulation therapy (tPBM) on reducing anxiety, depression, and opioid craving in patients undergoing methadone maintenance treatment: a double-blind, randomized, controlled trial. BMC Psychiatry , 25 , (1) .

Lovett, Harriet and Lynn, Ena and Daly, Antoinette and Corcoran, Ciarán and O'Connor, Karen (2025) The clinical and demographic profile of inpatient psychosis admissions in Ireland. Irish Journal of Psychological Medicine , Early online .

Layton, Elly and Roddy Mitchell, Alexandra and Kennedy, Elissa and Moran, Allisyn C and Palestra, Francesca and Chowdhary, Neerja and McNab, Shanon and Homer, Caroline S E (2025) Maternal mental health matters: Indicators for perinatal mental health-a scoping review. PLoS ONE , 20 , (1) .

Dahl, Silje Louise and Bretteville-Jensen, Anne Linne and Burdzovic-Andreas, Jasmina (2025) From subcultural to mainstream? The evolving meaning of cannabis use among youth in a restrictive policy context. Drugs: Education Prevention and Policy , 32 , (1) , pp. 63-71.

Okhai, Hajra and Winston, Alan and Post, Frank and Boffito, Marta and Mallon, Patrick and Vera, Jaime and Williams, Ian and Sachikonye, Memory and Johnson, Margaret and Anderson, Jane and Prechtl, Christina and Sabin, Caroline (2025) Exploring the cascade of mental healthcare among people with HIV experiencing depressive symptoms in the UK and Ireland: the POPPY study. HIV Medicine , 26 , (3) , pp. 465-478.

Halladay, J and Visontay, R and Slade, T and Devine, E K and Smout, S and Andrews, J L and Champion, K E and Teesson, M and Sunderland, M (2024) Across the multiverse: exploring a diverse set of specifications related to cross-sectional and prospective associations between adolescent alcohol use and emotional problems. Psychological Medicine , Early Online , pp. 1-15.

FitzPatrick, Patrick and Brown, Ellie and Street, Rebekah and O'Donoghue, Brian (2024) Prevalence of depressive symptoms, suicidal ideation and behaviours in young people presenting with a first episode of psychosis. Irish Journal of Psychological Medicine , Early Online , pp. 1-7.

Austin-Zimmerman, Isabelle and Spinazzola, Edoardo and Quattrone, Diego and Wu-Choi, Beatrice and Trotta, Giulia and Li, Zhikun and Johnson, Emma and Richards, Alexander L and Freeman, Tom P and Tripoli, Giada and Gayer-Anderson, Charlotte and Rodriguez, Victoria and Jongsma, Hannah E and Ferraro, Laura and La Cascia, Caterina and Tosato, Sarah and Tarricone, Ilaria and Berardi, Domenico and Bonora, Elena and Seri, Marco and D'Andrea, Giuseppe and Szöke, Andrei and Arango, Celso and Bobes, Julio and Sanjuán, Julio and Santos, Jose Luis and Arrojo, Manuel and Velthorst, Eva and Bernardo, Miguel and Del-Ben, Cristina Marta and Rossi Menezes, Paulo and Selten, Jean-Paul and Jones, Peter B and Kirkbride, James B and Rutten, Bart P F and Tortelli, Andrea and Llorca, Pierre-Michel and de Haan, Lieuwe and Stilo, Simona and La Barbera, Daniele and Lasalvia, Antonio and Schurnhoff, Franck and Pignon, Baptiste and van Os, Jim and Lynskey, Michael and Morgan, Craig and O' Donovan, Michael and Lewis, Cathryn M and Sham, Pak C and Murray, Robin M and Vassos, Evangelos and Di Forti, Marta (2024) The impact of schizophrenia genetic load and heavy cannabis use on the risk of psychotic disorder in the EU-GEI case-control and UK Biobank studies. Psychological Medicine , Early online , pp. 1-13.

Chesney, Edward and Reilly, Thomas J and Scott, Fraser and Slimani, Ikram and Sarma, Ananya and Kornblum, Daisy and Oliver, Dominic and McGuire, Philip (2024) Psychosis associated with cannabis withdrawal: systematic review and case series. The British Journal of Psychiatry , Early Online , pp. 1-12.

Dooley, Niamh and Power, Emmet and Healy, Hazel and Cotter, David and Cannon, Mary (2024) Mental health of Irish adolescents following the COVID-19 pandemic: results from a population-based cross-sectional survey. Irish Journal of Psychological Medicine , Early Online , pp. 1-9.

McGorry, Patrick D and Mei, Cristina and Dalal, Naeem and Alvarez-Jimenez, Mario and Blakemore, Sarah-Jayne and Browne, Vivienne and Dooley, Barbara and Hickie, Ian B and Jones, Peter B and McDaid, David and Mihalopoulos, Cathrine and Wood, Stephen J and El Azzouzi, Fatima Azzahra and Fazio, Jessica and Gow, Ella and Hanjabam, Sadam and Hayes, Alan and Morris, Amelia and Pang, Elina and Paramasivam, Keerthana and Quagliato Nogueira, Isabella and Tan, Jimmy and Adelsheim, Steven and Broome, Matthew R and Cannon, Mary and Chanen, Andrew M and Chen, Eric Y H and Danese, Andrea and Davis, Maryann and Ford, Tamsin and Gonsalves, Pattie P and Hamilton, Matthew P and Henderson, Jo and John, Ann and Kay-Lambkin, Frances and Le, Long K-D and Kieling, Christian and Mac Dhonnagáin, Niall and Malla, Ashok and Nieman, Dorien H and Rickwood, Debra and Robinson, Jo and Shah, Jai L and Singh, Swaran and Soosay, Ian and Tee, Karen and Twenge, Jean and Valmaggia, Lucia and van Amelsvoort, Therese and Verma, Swapna and Wilson, Jon and Yung, Alison and Iyer, Srividya N and Killackey, Eóin (2024) The Lancet Psychiatry Commission on youth mental health. The Lancet Psychiatry , 11 , (9) , pp. 731-774.

Dawes, Christopher and McGreal, Samuel Joy and Marwaha, Shivika and Prados, Jose and Reheis, Antoine and Dumitrescu, Alin and Waddington, John L and Moran, Paula M and O'Tuathaigh, Colm (2024) Overshadowing and salience attribution in relation to cannabis use. Schizophrenia research. Cognition , 37 .

Dinwiddie, Amanda T and Gupta, Stephanie and Mattson, Christine L and O'Donnell, Julie and Seth, Puja (2024) Reported non-substance-related mental health disorders among persons who died of drug overdose - United States, 2022. MMWR. Morbidity and Mortality Weekly Report , 73 , (34) , pp. 747-753.

Jaeger, Joshua and Osterburg, Lara and Stein, Maria and Germann, Miranda and Lustenberger, Sara A and Wopfner, Alexander and Denier, Niklaus and Bracht, Tobias and Moggi, Franz and Soravia, Leila M (2024) Antidepressants and alcohol use disorder: a multicenter study on the mediating role of depression symptom changes. Alcohol, Clinical & Experimental Research , 48 , (8) , pp. 1577-1585.

Poletti, Michele and Pelizza, Lorenzo and Preti, Antonio and Raballo, Andrea (2024) Clinical high-risk for psychosis (CHR-P) circa 2024: synoptic analysis and synthesis of contemporary treatment guidelines. Asian Journal of Psychiatry , 100 .

Simonsson, Otto and Mosing, Miriam A and Osika, Walter and Ullén, Fredrik and Larsson, Henrik and Lu, Yi and Wesseldijk, Laura W (2024) Adolescent psychedelic use and psychotic or manic symptoms. JAMA Psychiatry , 81 , (6) , pp. 579-585.

Magwood, Olivia and Saad, Ammar and Ranger, Dominique and Volpini, Kate and Rukikamirera, Franklin and Haridas, Rinila and Sayfi, Shahab and Alexander, Jeremie and Tan, Yvonne and Pottie, Kevin (2024) Mobile apps to reduce depressive symptoms and alcohol use in youth: a systematic review and meta-analysis: a systematic review. Campbell Systematic Reviews , 20 , (2) .

Di Passa, Anne-Marie and Prokop-Millar, Shelby and Yaya, Horodjei and Dabir, Melissa and McIntyre-Wood, Carly and Fein, Allan and MacKillop, Emily and MacKillop, James and Duarte, Dante (2024) Clinical efficacy of deep transcranial magnetic stimulation (dTMS) in psychiatric and cognitive disorders: a systematic review. Journal of Psychiatric Research , 175 , pp. 287-315.

Oliver, Dominic and Chesney, Edward and Cullen, Alexis E and Davies, Cathy and Englund, Amir and Gifford, George and Kerins, Sarah and Lalousis, Paris Alexandros and Logeswaran, Yanakan and Merritt, Kate and Zahid, Uzma and Crossley, Nicolas A and McCutcheon, Robert A and McGuire, Philip and Fusar-Poli, Paolo (2024) Exploring causal mechanisms of psychosis risk. Neuroscience and Biobehavioral Reviews , 162 .

Platona, Rita Ioana and Căiţă, Georgiana Albina and Voiţă-Mekeres, Florica and Peia, Alexandra Oana and Enătescu, Radu Virgil (2024) The impact of psychiatric comorbidities associated with depression: a literature review. Medicine and Pharmacy Reports , 97 , (2) , pp. 143-148.

Carvalho Silva, Rosana and Oliva, Francesco and Barlati, Stefano and Perusi, Giulia and Meattini, Mattia and Dashi, Elona and Colombi, Nicoletta and Vaona, Alberto and Carletto, Sara and Minelli, Alessandra (2024) Childhood neglect, the neglected trauma. A systematic review and meta-analysis of its prevalence in psychiatric disorders. Psychiatry Research , 335 .

Nugent, Shannon M and Anderson, Johanna and Young, Sarah K (2024) Behavioural mental health interventions delivered in the emergency department for suicide, overdose and psychosis: a scoping review. BMJ Open , 14 , (3) .

Ricci, Valerio and De Berardis, Domenico and Maina, Giuseppe (2024) Third-generation antipsychotics and lurasidone in the treatment of substance-induced psychoses: a narrative review. Healthcare , 12 , (3) .

Sankaranarayanan, Anoop and Ramanathan, Preethi and Mathew, Rinu and Wilding, Helen and Castle, David (2024) Disordered gambling among people with psychotic disorders: a systematic review. Schizophrenia , 10 .

Jackson, Katherine and Kaner, Eileen and Hanratty, Barbara and Gilvarry, Eilish and Yardley, Lucy and O'Donnell, Amy (2024) Understanding people's experiences of the formal health and social care system for co-occurring heavy alcohol use and depression through the lens of relational autonomy: a qualitative study. Addiction , 119 , (2) .

Ciesluk, Beata and Erridge, Simon and Sodergren, Mikael H and Troup, Lucy J (2024) Cannabis use in the UK: a quantitative comparison of individual differences in medical and recreational cannabis users. Frontiers in Psychology , 14 .

McEvoy, David and Brannigan, Ross and Walsh, Cathal and Arensman, Ella and Clarke, Mary (2024) Identifying high-risk subgroups for self-harm in adolescents and young adults: a longitudinal latent class analysis of risk factors. Journal of Affective Disorders , 351 , pp. 40-48.

O'Mahony, Brian and O'Malley, Andrew and Kerrigan, Olan and McDonald, Colm (2024) HHC-induced psychosis: a case series of psychotic illness triggered by a widely available semisynthetic cannabinoid. Irish Journal of Psychological Medicine , 41 , (3) , pp. 405-408.

McDonald, André J and Kurdyak, Paul and Rehm, Jürgen and Roerecke, Michael and Bondy, Susan J (2024) Age-dependent association of cannabis use with risk of psychotic disorder. Psychological Medicine , 54 , (11) , pp. 2926-2936.

Brink, Vera and Andleeb, Humma and Gayer-Anderson, Charlotte and Arango, Celso and Arrojo, Manuel and Berardi, Domenico and Bernardo, Miquel and Bobes, Julio and Del-Ben, Cristina Marta and Ferraro, Laura and de Haan, Lieuwe and La Barbera, Daniele and La Cascia, Caterina and Lasalvia, Antonio and Llorca, Pierre-Michel and Menezes, Paolo Rossi and Pignon, Baptiste and Sanjuán, Julio and Santos, José Luis and Selten, Jean-Paul and Tarricone, Ilaria and Tortelli, Andrea and Tripoli, Giada and Velthorst, Eva and Rutten, Bart P F and van Os, Jim and Quattrone, Diego and Murray, Robin M and Jones, Peter B and Morgan, Craig and Di Forti, Marta and Jongsma, Hannah E and Kirkbride, James B (2024) The role of social deprivation and cannabis use in explaining variation in the incidence of psychotic disorders: findings from the EU-GEI Study. Schizophrenia Bulletin , 50 , (5) , pp. 1039-1049.

Selten, J P and Di Forti, M and Quattrone, D and Jones, P B and Jongsma, H E and Gayer-Anderson, C and Szöke, A and Llorca, P M and Arango, C and Bernardo, M and Sanjuan, J and Santos, J L and Arrojo, M and Tarricone, I and Berardi, D and Lasalvia, A and Tosato, S and la Cascia, C and Velthorst, E and van der Ven, E M A and de Haan, L and Rutten, B P and van Os, J and Kirkbride, J B and Morgan, C M and Murray, R M and Termorshuizen, F (2024) The contribution of cannabis use to the increased psychosis risk among minority ethnic groups in Europe. Psychological Medicine , 54 , (11) , pp. 2937-2946.

Schoeler, Tabea and Baldwin, Jessie R and Martin, Ellen and Barkhuizen, Wikus and Pingault, Jean-Baptiste (2024) Assessing rates and predictors of cannabis-associated psychotic symptoms across observational, experimental and medical research. Nature Mental Health , 2 , pp. 865-876.

Friedemann, Maja and Fox, Celine A and Hanlon, Anna K and Tighe, Daniel and Yeung, Nick and Gillan, Claire M (2024) Confidence biases in problem gambling. Journal of Behavioral Addictions , 7 , (13) , pp. 650-664.

Kane, Kimberly and Westman, Jeanette and Franck, Johan and Gissler, Mika (2024) Risk of severe mood and anxiety disorders in the adult children of parents with alcohol use disorder: a nationwide cohort study. Journal of Epidemiology and Community Health , 78 , (7) , pp. 444-450.

Praeger, Vivian C and Frei, Matthew Y and Pham, Dan and Praeger, Adrian J and Lubman, Dan I and Arunogiri, Shalini (2024) Rotation from methadone to buprenorphine using a micro-dosing regime in patients with opioid use disorder and serious mental illness: A case series. Drug and Alcohol Review , 43 , (7) , pp. 1829-1834.

Grönroos, Tanja and Kontto, Jukka and Kouvonen, Anne and Latvala, Tiina A and Partonen, Timo and Salonen, Anne H (2024) Somatic and psychiatric comorbidity in people with diagnosed gambling disorder: a Finnish nation-wide register study. Addiction , 119 , (11) , pp. 2015-2022.

Cuttler, Carrie and Stueber, Amanda and Cooper, Ziva D and Russo, Ethan (2024) Acute effects of cannabigerol on anxiety, stress, and mood: a double-blind, placebo-controlled, crossover, field trial. Scientific Reports , 14 , (1) .

Nesbitt, Amy E and Sabiston, Catherine M and deJonge, Melissa L and Barbic, Skye P and Kozloff, Nicole and Nalder, Emily J (2023) A scoping review of resilience among transition-age youth with serious mental illness: tensions, knowledge gaps, and future directions. BMC Psychiatry , 23 .

Rosenström, Tom H and Torvik, Fartein Ask (2023) Social anxiety disorder is a risk factor for alcohol use problems in the National Comorbidity Surveys. Drug and Alcohol Dependence , 249 .

Gill, Gurtej and Jaka, Sanobar and Yadav, Garima and Kainth, Tejasvi and Segal, Yarden and Srinivas, Sushma and Shah, Kaushal and Kochhar, Hansini and Gunturu, Sasidhar (2023) Examining risk factors for suicidality in adolescents and adults experiencing their first episode of psychosis. Cureus , 15 , (8) .

Carrascosa-Arteaga, Pablo and López-Liria, Remedios and Catalán-Matamoros, Daniel and Rocamora-Pérez, Patricia (2023) Effectiveness of physiotherapy in managing symptomatology in gambling disorder patients: a systematic review. Healthcare , 11 , (14) .

Walsh, Eibhlin H and Herring, Matthew P and McMahon, Jennifer (2023) Perspectives of youth in Ireland on school-based mental health and suicide prevention: the MYSTORY study. Health Promotion International , 38 , (3) .

Johnson-Ferguson, L and Di Forti, M (2023) From heavy cannabis use to psychosis: is it time to take action? Irish Journal of Psychological Medicine , 40 , (1) , pp. 9-12.

Sultan, Ryan S and Zhang, Alexander W and Olfson, Mark and Kwizera, Muhire H and Levin, Frances R (2023) Nondisordered cannabis use Among US adolescents. JAMA Network Open , 6 , (5) .

Wu, Angela Difeng and Gao, Min and Aveyard, Paul and Taylor, Gemma (2023) Smoking cessation and changes in anxiety and depression in adults with and without psychiatric disorders. JAMA Network Open , 6 , (5) .

Paljärvi, Tapio and Herttua, Kimmo and Taipale, Heidi and Lähteenvuo, Markku and Tanskanen, Antti and Fazel, Seena and Tiihonen, Jari (2023) Cause-specific excess mortality after first diagnosis of bipolar disorder: population-based cohort study. BMJ Mental Health , 26 , (1) .

Schieber, Lyna Z and Dunphy, Christopher and Schieber, Richard A and Lopes-Cardozo, Barbara and Moonesinghe, Ramal and Guy, Gery P (2023) Hospitalization associated with comorbid psychiatric and substance use disorders among adults with covid-19 treated in US emergency departments from April 2020 to August 2021. JAMA Psychiatry , 80 , (4) , pp. 331-341.

Andersson, Helle Wessel and Mosti, Mats P and Nordfjaern, Trond (2023) Inpatients in substance use treatment with co-occurring psychiatric disorders: a prospective cohort study of characteristics and relapse predictors. BMC Psychiatry , 23 .

Skryabin, Valentin Yurievich and Martinotti, Giovanni and Franck, Johan and Zastrozhin, Mikhail Sergeevich (2023) Acute alcoholic hallucinosis: a review. Psychopathology , pp. 1-8.

Davis, Jordan P and Pedersen, Eric R and Tucker, Joan S and Prindle, John and Dunbar, Michael S and Rodriguez, Anthony and Seelam, Rachana and D'Amico, Elizabeth J (2023) Directional associations between cannabis use and depression from late adolescence to young adulthood: the role of adverse childhood experiences. Addiction , 118 , (6) , pp. 1083-1092.

Martyn, Fiona M and McPhilemy, Genevieve and Nabulsi, Leila and Quirke, Jacqueline and Hallahan, Brian and McDonald, Colm and Cannon, Dara M (2023) Alcohol use is associated with affective and interoceptive network alterations in bipolar disorder. Brain and Behavior , 13 , (1) .

Blake, Kimberly V and Ntwatwa, Ziphozihle and Kaufmann, Tobias and Stein, Dan J and Ipser, Jonathan C and Groenewold, Nynke A (2023) Advanced brain ageing in adult psychopathology: a systematic review and meta-analysis of structural MRI studies. Journal of Psychiatric Research , 157 , pp. 180-191.

Matheson, Sandra L and Laurie, Mallory and Laurens, Kristin R (2023) Substance use and psychotic-like experiences in young people: a systematic review and meta-analysis. Psychological Medicine , 53 , (2) , pp. 305-319.

Galindo-Donaire, José R and Hernández-Molina, Gabriela and Fresán Orellana, Ana and Contreras-Yáñez, Irazú and Guaracha-Basáñez, Guillermo and Briseño-González, Oswaldo and Pascual-Ramos, Virginia (2023) The role of personality traits on self-medicated cannabis in rheumatoid arthritis patients: a multivariable analysis. PLoS ONE , 18 , (1) .

O'Malley, A and McIntyre, A and McGilloway, A and Doherty, A and Hallahan, B (2023) The impact of the COVID-19 pandemic on presentations of self-harm over an 18-month period to a tertiary hospital. Irish Journal of Psychological Medicine , 40 , (3) , pp. 418-423.

Rabiee, Rynaz and Sjöqvist, Hugo and Agardh, Emilie and Lundin, Andreas and Danielsson, Anna-Karin (2023) Risk of readmission among individuals with cannabis use disorder during a 15-year cohort study: the impact of socio-economic factors and psychiatric comorbidity. Addiction , 118 , (7) , pp. 1295-1306.

Lee, Brian En Chyi and Ling, Mathew and Boyd, Leanne and Olsson, Craig and Sheen, Jade (2023) The prevalence of probable mental health disorders among hospital healthcare workers during COVID-19: a systematic review and meta-analysis. Journal of Affective Disorders , 330 , pp. 329-345.

Vuong, Jacqueline T and Ruedisueli, Isabelle and Beaudin, Catherine S and Middlekauff, Holly R (2023) Electronic cigarettes: an overlooked tool to alleviate disparities in tobacco use disorder among people with mental health and substance use disorders. Journal of General Internal Medicine , 38 , pp. 1970-1974.

Field, David James and de Wit, John and Davoren, Martin P and O'Reilly, Eilis J and Den Daas, Chantal (2023) Chemsex, anxiety and depression among gay, bisexual and other men who have sex with men living with HIV. AIDS and Behavior , 27 , (10) , pp. 3206-3212.

Hjorthøj, Carsten and Compton, Wilson and Starzer, Marie and Nordholm, Dorte and Einstein, Emily and Erlangsen, Annette and Nordentoft, Merete and Volkow, Nora D and Han, Beth (2023) Association between cannabis use disorder and schizophrenia stronger in young males than in females. Psychological Medicine , 53 , (15) , pp. 7322-7328.

Hammerton, Gemma and Lewis, Gemma and Heron, Jon and Fernandes, Gwen and Hickman, Matthew and Lewis, Glyn (2023) The association of alcohol dependence and consumption during adolescence with depression in young adulthood, in England: a prospective cohort study. The Lancet Psychiatry , 10 , (7) , pp. 490-498.

Hall, Wayne and Stjepanović, Daniel and Dawson, Danielle and Leung, Janni (2023) The implementation and public health impacts of cannabis legalization in Canada: a systematic review. Addiction , 118 , (11) , pp. 2062-2072.

Munch, Solvejg Dam and Madsen, Trine and Nordentoft, Merete and Erlangsen, Annette and Hjorthøj, Carsten (2023) Association between substance-induced psychosis and suicide attempt: a Danish nation-wide register-based study. Addiction , 118 , (12) , pp. 2440-2448.

Butler, Alexandra and King, Nathan and Battista, Kate and Pickett, William and Patte, Karen A and Elgar, Frank J and Craig, Wendy and Leatherdale, Scott T (2022) Mental health and cannabis use among Canadian youth: Integrated findings from cross-sectional and longitudinal analyses. International Journal of Drug Policy , 112 .

Johnson, Emma C and Colbert, Sarah M C and Jeffries, Paul W and Tillman, Rebecca and Bigdeli, Tim B and Karcher, Nicole R and Chan, Grace and Kuperman, Samuel and Meyers, Jacquelyn L and Nurnberger, John I and Plawecki, Martin H and Degenhardt, Louisa and Martin, Nicholas G and Kamarajan, Chella and Schuckit, Marc A and Murray, Robin M and Dick, Danielle M and Edenberg, Howard J and D'Souza, Deepak Cyril and Di Forti, Marta and Porjesz, Bernice and Nelson, Elliot C and Agrawal, Arpana (2022) Associations between cannabis use, polygenic liability for schizophrenia, and cannabis-related experiences in a sample of cannabis users. Schizophrenia Bulletin .

Lawn, Will and Mokrysz, Claire and Lees, Rachel and Trinci, Katie and Petrilli, Kat and Skumlien, Martine and Borissova, Anna and Ofori, Shelan and Bird, Catherine and Jones, Grace and Bloomfield, Michael Ap and Das, Ravi K and Wall, Matthew B and Freeman, Tom P and Curran, H Valerie (2022) The CannTeen Study: Cannabis use disorder, depression, anxiety, and psychotic-like symptoms in adolescent and adult cannabis users and age-matched controls. Journal of Psychopharmacology , 36 , (12) , pp. 1350-1361.

Lång, Ulla and Ramsay, Hugh and Yates, Kathryn and Veijola, Juha and Gyllenberg, David and Clarke, Mary C and Leacy, Finbarr P and Gissler, Mika and Kelleher, Ian (2022) Potential for prediction of psychosis and bipolar disorder in Child and Adolescent Mental Health Services: a longitudinal register study of all people born in Finland in 1987. World Psychiatry , 21 , (3) , pp. 436-443.

Argote, Mathilde and Sescousse, Guillaume and Brunelin, Jérôme and Fakra, Eric and Nourredine, Mikail and Rolland, Benjamin (2022) Association between formal thought disorder and cannabis use: a systematic review and meta-analysis. Schizophrenia , 8 , (1) .

Wang, Yong S and Qiu, Tian Y and Fu, Qiang and Xiong, Si Q and Wang, Ze Z and Lu, Ming F and Yang, Jian H and Hu, Zhen Z (2022) Unravelling biological roles and mechanisms of GABAR on addiction and depression through mood and memory disorders. Biomedicine & Pharmacotherapy , 155 .

Van Denend, Jessica and Harris, J Irene and Fuehrlein, Brian and Edens, Ellen L (2022) Moral injury in the context of substance use disorders: a narrative review. Current Treatment Options in Psychiatry , 9 , (4) , pp. 321-330.

Tarantino, Giovanni and Cataldi, Mauro and Citro, Vincenzo (2022) Could alcohol abuse and dependence on junk foods inducing obesity and/or illicit drug use represent danger to liver in young people with altered psychological/relational spheres or emotional problems? International Journal of Molecular Sciences , 23 , (18) .

Schoeler, Tabea and Ferris, Jason and Winstock, Adam R (2022) Rates and correlates of cannabis-associated psychotic symptoms in over 230,000 people who use cannabis. Translational Psychiatry , 12 .

Johnstad, Peter Grahl (2022) Comparative harms assessments for cannabis, alcohol, and tobacco: risk for psychosis, cognitive impairment, and traffic accident. Drug Science, Policy and Law , 8 .

Callaghan, Russell C and Sanches, Marcos and Murray, Robin M and Konefal, Sarah and Maloney-Hall, Bridget and Kish, Stephen J (2022) Associations between Canada's cannabis legalization and emergency department presentations for transient cannabis-induced psychosis and schizophrenia conditions: Ontario and Alberta, 2015-2019. Canadian Journal of Psychiatry , 67 , (8) , pp. 616-625.

Gupta, Adarsh (2022) Clinical question: In adults with multiple sclerosis, what are the effects of cannabis and cannabinoids for symptomatic treatment? Cochrane Clinical Answers , (2022) .

Poletti, Michele and Preti, Antonio and Raballo, Andrea (2022) Eating disorders and psychosis as intertwined dimensions of disembodiment: a narrative review. Clinical Neuropsychiatry , 19 , (3) , pp. 187-192.

Agarwal, Khushbu and Manza, Peter and Chapman, Marquis and Nawal, Nafisa and Biesecker, Erin and McPherson, Katherine and Dennis, Evan and Johnson, Allison and Volkow, Nora D and Joseph, Paule V (2022) Inflammatory markers in substance use and mood disorders: a neuroimaging perspective. Frontiers in Psychiatry , 13 .

Köck, Patrick and Meyer, Maximilian and Elsner, Julie and Dürsteler, Kenneth M and Vogel, Marc and Walter, Marc (2022) Co-occurring mental disorders in transitional aged youth with substance use disorders - a narrative review. Frontiers in Psychiatry , 13 .

Ganesh, Suhas and D'Souza, Deepak Cyril (2022) Cannabis and psychosis: recent epidemiological findings continuing the "causality debate'. The American Journal of Psychiatry , 179 , (1) , pp. 8-10.

Broughan, John and McCombe, Geoff and Lim, Jayleigh and O'Keeffe, Donal and Brown, Katherine and Clarke, Mary and Corcoran, Ciarán and Hanlon, David and Kelly, Ned and Lyne, John and McGorry, Patrick and O' Brien, Sinéad and O' Connor, Karen and O' Mahony, Karen and Scott, Seamus and Wycherley, Elizabeth and Cullen, Walter (2022) Keyworker mediated enhancement of physical health in patients with first episode psychosis: a feasibility/acceptability study. Early Intervention in Psychiatry , 16 , (8) , pp. 883-890.

Sarala, Marian and Mustonen, Antti and Alakokkare, Anni-Emilia and Salom, Caroline and Miettunen, Jouko and Niemelä, Solja (2022) Parental smoking and young adult offspring psychosis, depression and anxiety disorders and substance use disorder. European Journal of Public Health , 32 , (2) , pp. 254-260.

Tweed, Emily J and Leyland, Alastair H and Morrison, David and Katikireddi, S Vittal (2022) Premature mortality in people affected by co-occurring homelessness, justice involvement, opioid dependence, and psychosis: a retrospective cohort study using linked administrative data. The Lancet Public Health , 7 , (9) , e733-e743.

Bottemanne, Hugo and Morlaas, Orphee and Claret, Anne and Sharot, Tali and Fossati, Philippe and Schmidt, Liane (2022) Evaluation of early ketamine effects on belief-updating biases in patients with treatment-resistant depression. JAMA Psychiatry , 79 , (11) , pp. 1124-1132.

Smith, Colin M and Gilbert, Elizabeth B and Riordan, Paul A and Helmke, Nicole and von Isenburg, Megan and Kincaid, Brian R and Shirey, Kristen G (2021) COVID-19-associated psychosis: a systematic review of case reports. General Hospital Psychiatry , 73 , pp. 84-100.

O'Neill, Aisling and Annibale, Luciano and Blest-Hopley, Grace and Wilson, Robin and Giampietro, Vincent and Bhattacharyya, Sagnik (2021) Cannabidiol modulation of hippocampal glutamate in early psychosis. Journal of Psychopharmacology , 35 , (7) , pp. 814-822.

Daedelow, Laura S and Banaschewski, Tobias and Berning, Moritz and Bokde, Arun L W and Brühl, Rüdiger and Burke Quinlan, Erin and Curran, H Valerie and Desrivières, Sylvane and Flor, Herta and Grigis, Antoine and Garavan, Hugh and Hardon, Anita and Kaminski, Jakob and Martinot, Jean-Luc and Paillère Martinot, Marie-Laure and Artiges, Eric and Murray, Hayley and Nees, Frauke and Oei, Nicole Y L and Papadopoulos Orfanos, Dimitri and Paus, Tomáš and Poustka, Luise and Hohmann, Sarah and Millenet, Sabina and Rosenthal, Annika and Fröhner, Juliane H and Smolka, Michael N and Walter, Henrik and Whelan, Robert and Wiers, Reinout W and Schumann, Gunter and Heinz, Andreas (2021) Are psychotic-like experiences related to a discontinuation of cannabis consumption in young adults? Schizophrenia Research , 228 , pp. 271-279.

Sorkhou, Maryam and Bedder, Rachel H and George, Tony P (2021) The behavioral sequelae of cannabis use in healthy people: a systematic review. Frontiers in Psychiatry , 12 .

Yadav, Shweta and Lokala, Usha and Daniulaityte, Raminta and Thirunarayan, Krishnaprasad and Lamy, Francois and Sheth, Amit (2021) "When they say weed causes depression, but it's your fav antidepressant": Knowledge-aware attention framework for relationship extraction. PLoS ONE , 16 , (3) .

Kalinichenko, Liubov S and Mühle, Christiane and Jia, Tianye and Anderheiden, Felix and Datz, Maria and Eberle, Anna-Lisa and Eulenburg, Volker and Granzow, Jonas and Hofer, Martin and Hohenschild, Julia and Huber, Sabine E and Kämpf, Stefanie and Kogias, Georgios and Lacatusu, Laura and Lugmair, Charlotte and Taku, Stephen Mbu and Meixner, Doris and Tesch, Nina and Praetner, Marc and Rhein, Cosima and Sauer, Christina and Scholz, Jessica and Ulrich, Franziska and Valenta, Florian and Weigand, Esther and Werner, Markus and Tay, Nicole and Mc Veigh, Conor J and Haase, Jana and Wang, An-Li and Abdel-Hafiz, Laila and Huston, Joseph P and Smaga, Irena and Frankowska, Malgorzata and Filip, Malgorzata and Lourdusamy, Anbarasu and Kirchner, Philipp and Ekici, Arif B and Marx, Lena M and Suresh, Neeraja Puliparambil and et al, . (2021) Neutral sphingomyelinase mediates the co-morbidity trias of alcohol abuse, major depression and bone defects. Molecular Psychiatry , 26 , pp. 7403-7416.

Mundt, Adrian P and Baranyi, Gergő (2020) The unhappy mental health triad: comorbid severe mental illnesses, personality disorders, and substance use disorders in prison populations. Frontiers in Psychiatry , 11 .

Hindocha, Chandni and Quattrone, Diego and Freeman, Tom P and Murray, Robin M and Mondelli, Valeria and Breen, Gerome and Curtis, Charles and Morgan, Celia J A and Valerie Curran, H and Di Forti, Marta (2020) Do AKT1, COMT and FAAH influence reports of acute cannabis intoxication experiences in patients with first episode psychosis, controls and young adult cannabis users? Translational Psychiatry , 10 .

Murrie, Benjamin and Lappin, Julia and Large, Matthew and Sara, Grant (2020) Transition of substance-induced, brief, and atypical psychoses to schizophrenia: a systematic review and meta-analysis. Schizophrenia Bulletin , 46 , (3) , pp. 505-516.

Campeny, E and López-Pelayo, H and Nutt, D and Blithikioti, C and Oliveras, C and Nuño, L and Maldonado, R and Florez, G and Arias, F and Fernández-Artamendi, S and Villalbí, JR and Sellarès, J and Ballbè, M and Rehm, J and Balcells-Olivero, MM and Gual, A (2020) The blind men and the elephant: systematic review of systematic reviews of cannabis use related health harms. European Neuropsychopharmacology , 33 , pp. 1-35.

Thompson, Paul M and Jahanshad, Neda and Ching, Christopher R K and Salminen, Lauren E and Thomopoulos, Sophia I and Bright, Joanna and Baune, Bernhard T and Bertolín, Sara and Bralten, Janita and Bruin, Willem B and Bülow, Robin and Chen, Jian and Chye, Yann and Dannlowski, Udo and de Kovel, Carolien G F and Donohoe, Gary and Eyler, Lisa T and Faraone, Stephen V and Favre, Pauline and Filippi, Courtney A and Frodl, Thomas and Garijo, Daniel and Gil, Yolanda and Grabe, Hans J and Grasby, Katrina L and Hajek, Tomas and Han, Laura K M and Hatton, Sean N and Hilbert, Kevin and Ho, Tiffany C and Holleran, Laurena and Homuth, Georg and Hosten, Norbert and Houenou, Josselin and Ivanov, Iliyan and Jia, Tianye and Kelly, Sinead and Klein, Marieke and Kwon, Jun Soo and Laansma, Max A and Leerssen, Jeanne and Lueken, Ulrike and Nunes, Abraham and Neill, Joseph O' and Opel, Nils and Piras, Fabrizio and Piras, Federica and Postema, Merel C and Pozzi, Elena and Shatokhina, Natalia and Soriano-Mas, Carles and Spalletta, Gianfranco and Sun, Daqiang and Teumer, Alexander and Tilot, Amanda K and Tozzi, Leonardo and van der Merwe, Celia and Van Someren, Eus J W and van Wingen, Guido A and Völzke, Henry and Walton, Esther and Wang, Lei and Winkler, Anderson M and Wittfeld, Katharina and Wright, Margaret J and Yun, Je-Yeon and Zhang, Guohao and Zhang-James, Yanli and Adhikari, Bhim M and Agartz, Ingrid and Aghajani, Moji and Aleman, André and Althoff, Robert R and Altmann, Andre and Garavan, Hugh and al., et (2020) ENIGMA and global neuroscience: A decade of large-scale studies of the brain in health and disease across more than 40 countries. Translational Psychiatry , 10 , (1) .

McMahon, Elaine M and Corcoran, Paul and Keeley, Helen and Clarke, Mary and Coughlan, Helen and Wasserman, Danuta and Hoven, Christina W and Carli, Vladimir and Sarchiapone, Marco and Healy, Colm and Cannon, Mary (2020) Risk and protective factors for psychotic experiences in adolescence: a population-based study. Psychological Medicine , 51 , (7) , pp. 1220-1228.

McHugh, R Kathryn and Sugarman, Dawn E and Meyer, Laurel and Fitzmaurice, Garrett M and Greenfield, Shelly F (2020) The relationship between perceived stress and depression in substance use disorder treatment. Drug and Alcohol Dependence , 207 .

Colizzi, Marco and Weltens, Nathalie and McGuire, Philip and Lythgoe, David and Williams, Steve and van Oudenhove, Lukas and Bhattacharyya, Sagnik (2020) Delta-9-tetrahydrocannabinol increases striatal glutamate levels in healthy individuals: implications for psychosis. Molecular Psychiatry , 25 , pp. 3231-3240.

Matsumoto, Toshihiko and Kawabata, Toshitaka and Okita, Kyoji and Tanibuchi, Yuko and Funada, Daisuke and Murakami, Maki and Usami, Takashi and Yokoyama, Rie and Naruse, Nobuya and Aikawa, Yuzo and Furukawa, Aizo and Komatsuzaki, Chie and Hashimoto, Nozomu and Fujita, Osamu and Umemoto, Aiko and Kagaya, Ariyuki and Shimane, Takuya (2020) Risk factors for the onset of dependence and chronic psychosis due to cannabis use: Survey of patients with cannabis-related psychiatric disorders. Neuropsychopharmacology Reports , 40 , (4) , pp. 332-341.

Millar, Sean (2019) Self-harm in Irish prisons. Drugnet Ireland , Issue 71, Autumn 2019 , pp. 22-23.

McKetin, Rebecca and Leung, Janni and Stockings, Emily and Huo, Yan and Foulds, James and Lappin, Julia M and Cumming, Craig and Arunogiri, Shalini and Young, Jesse T and Sara, Grant and Farrell, Michael and Degenhardt, Louisa (2019) Mental health outcomes associated with of the use of amphetamines: a systematic review and meta-analysis. EClinicalMedicine , 16 , pp. 81-97.

Sheridan Rains, Luke and Marston, Louise and Hinton, Mark and Marwaha, Steven and Craig, Thomas and Fowler, David and King, Michael and Omar, Rumana Z and McCrone, Paul and Spencer, Jonathan and Taylor, Joanne and Colman, Sophie and Harder, Catherine and Gilbert, Eleanor and Randhawa, Amie and Labuschagne, Kirsty and Jones, Charlotte and Stefanidou, Theodora and Christoforou, Marina and Caig, Meghan and Strang, John and Weaver, Tim and Johnson, Sonia (2019) Clinical and cost-effectiveness of contingency management for cannabis use in early psychosis: the CIRCLE randomised clinical trial. BMC Medicine , 17 , (161) .

Leadbeater, Bonnie J and Ames, Megan E and Linden-Carmichael, Ashley N (2019) Age-varying effects of cannabis use frequency and disorder on symptoms of psychosis, depression and anxiety in adolescents and adults. Addiction , 114 , (2) , pp. 278-293.

Gulati, G and Keating, N and O'Neill, A and Delaunois, I (2019) The prevalence of major mental illness, substance misuse and homelessness in Irish prisoners: systematic review and meta-analyses. Irish Journal of Psychological Medicine , 36 , (1) , pp. 35-45.

Bloomfield, Michael A P and Hindocha, Chandni and Green, Sebastian F and Wall, Matthew B and Lees, Rachel and Petrilli, Katherine and Costello, Harry and Olabisi Ogunbiyi, M and Bossong, Matthijs G and Freeman, Tom P (2019) The neuropsychopharmacology of cannabis: a review of human imaging studies. Pharmacology & Therapeutics , 195 , pp. 132-161.

Di Forti, Marta and Quattrone, Diego and Freeman, Tom P and Tripoli, Giada and Gayer-Anderson, Charlotte and Quigley, Harriet and Rodriguez, Victoria and Jongsma, Hannah E and Ferraro, Laura and La Cascia, Caterina and La Barbera, Daniele and Tarricone, Ilaria and Berardi, Domenico and Szöke, Andrei and Arango, Celso and Tortelli, Andrea and Velthorst, Eva and Bernardo, Miguel and Del-Ben, Cristina Marta and Rossi Menezes, Paulo and Selten, Jean Paul and Jones, Peter B and Kirkbride, James B and Rutten, Bart PF and et al, . (2019) The contribution of cannabis use to variation in the incidence of psychotic disorder across Europe (EU-GEI): a multicentre case-control study. The Lancet Psychiatry , 6 , (5) .

Johnson, Sonia and Rains, Luke Sheridan and Marwaha, Steven and Strang, John and Craig, Thomas and Weaver, Tim and McCrone, Paul and King, Michael and Fowler, David and Pilling, Stephen and Marston, Louise and Omar, Rumana Z and Craig, Meghan and Spencer, Jonathan and Hinton, Mark (2019) A contingency management intervention to reduce cannabis use and time to relapse in early psychosis: the CIRCLE RCT. Health Technology Assessment , 23 , (45) .

Gobbi, Gabriella and Atkin, Tobias and Zytynski, Tomasz and Wang, Shouao and Askari, Sorayya and Boruff, Jill and Ware, Mark and Marmorstein, Naomi and Cipriani, Andrea and Dendukuri, Nandini and Mayo, Nancy (2019) Association of cannabis use in adolescence and risk of depression, anxiety, and suicidality in young adulthood: a systematic review and meta-analysis. JAMA Psychiatry , 76 , (4) , pp. 426-434.

Sara, Grant and Baxter, Clifford and Menendez, Patricia and Lappin, Julia (2018) Amphetamine availability predicts amphetamine-related mental health admissions: A time series analysis. The Australian and New Zealand Journal of Psychiatry , 52 , (11) , pp. 1050-1056.

Wilson, Lorna and Szigeti, Attila and Kearney, Angela and Clarke, Mary (2018) Clinical characteristics of primary psychotic disorders with concurrent substance abuse and substance-induced psychotic disorders: a systematic review. Schizophrenia Research , 197 , pp. 78-86.

DeVylder, Jordan E and Oh, Hans Y and Kelleher, Ian (2018) Commentary on Degenhardt et al. (2018): Cause or consequence? Disentangling the relationship between psychosis and substance use. Addiction , 113 , (5) , pp. 935-936.

Colizzi, Marco and Murray, Robin (2018) Cannabis and psychosis: what do we know and what should we do? The British Journal of Psychiatry , 212 , (4) .

Mustonen, Antti and Niemelä, Solja and Nordström, Tanja and Murray, Graham K and Mäki, Pirjo and Jääskeläinen, Erika and Miettunen, Jouko (2018) Adolescent cannabis use, baseline prodromal symptoms and the risk of psychosis. The British Journal of Psychiatry , 212 , (4) , pp. 227-233.

Manza, Peter and Tomas, Dardo and Volkow, Nora D (2018) Subcortical local functional hyperconnectivity in cannabis dependence. Biological Psychiatry: Cognitive Neuroscience and Neuroimaging , 3 , (3) .

Moloney, Laura and Rohde, Daniela (2017) Experiences of men with psychosis participating in a community-based football programme. Irish Journal of Occupational Therapy , 45 , (2) , pp. 100-111.

Potenza, Marc N (2017) Clinical neuropsychiatric considerations regarding nonsubstance or behavioral addictions. Dialogues in Clinical Neuroscience , 19 , (3) , pp. 281-291.

Schoeler, Tabea and Petros, Natalia and Di Forti, Marta and Klamerus, Ewa and Foglia, Enrico and Murray, Robin and Bhattacharyya, Sagnik (2017) Poor medication adherence and risk of relapse associated with continued cannabis use in patients with first-episode psychosis: a prospective analysis. The Lancet Psychiatry , 4 , (8) .

Hanna, Rebecca C and Perez, Jessica M and Ghose, Subroto (2017) Cannabis and development of dual diagnoses: a literature review. The American Journal of Drug and Alcohol Abuse , 43 , (4) , pp. 442-455.

Volkow, Nora D and Swanson, James M and Evins, A Eden and DeLisi, Lynn E and Meier, Madeline H and Gonzalez, Raul and Bloomfield, Michael A P and Curran, H Valerie and Baler, Ruben (2016) Effects of cannabis use on human behavior, including cognition, motivation, and psychosis: a review. JAMA Psychiatry , 73 , (3) , pp. 292-7.

Walsh, Dermot and Daly, Antoinette (2016) The socio-demographic and clinical profiles of patients admitted to the Sligo District Lunatic Asylum in the late 19th century with some modern comparisons. Irish Journal of Psychological Medicine , 33 , (1) , pp. 43-54.

Vallersnes, Odd Martin and Dines, Alison M and Wood, David M and Yates, Christopher and Heyerdahl, Fridtjof and Hovda, Knut Erik and Giraudon, Isabelle and Dargan, Paul I (2016) Psychosis associated with acute recreational drug toxicity: a European case series. BMC Psychiatry , 16 , p. 293.

Spechler, Philip A and Orr, Catherine A and Chaarani, Bader and Kan, Kees-Jan and Mackey, Scott and Morton, Aaron and Snowe, Mitchell P and Hudson, Kelsey E and Althoff, Robert R and Higgins, Stephen T and Cattrell, Anna and Flor, Herta and Nees, Frauke and Banaschewski, Tobias and Bokde, Arun L W and Whelan, Robert and Büchel, Christian and Bromberg, Uli and Conrod, Patricia and Frouin, Vincent and Papadopoulos, Dimitri and Gallinat, Jurgen and Heinz, Andreas and Walter, Henrik and Ittermann, Bernd and Gowland, Penny and Paus, Tomáš and Poustka, Luise and Martinot, Jean-Luc and Artiges, Eric and Smolka, Michael N and Schumann, Gunter and Garavan, Hugh (2015) Cannabis use in early adolescence: Evidence of amygdala hypersensitivity to signals of threat. Developmental Cognitive Neuroscience , 16 , pp. 63-70.

Dines, Alison M and Wood, David M and Galicia, Miguel and Yates, Christopher M and Heyerdahl, Fridtjof and Hovda, Knut Erik and Giraudon, Isabelle and Sedefov, Roumen and Dargan, Paul I (2015) Presentations to the emergency department following cannabis use--a multi-centre case series from ten European countries. Journal of Medical Toxicology , 11 , (4) , pp. 415-421.

Reininghaus, Ulrich and Dutta, Rina and Dazzan, Paola and Doody, Gillian A and Fearon, Paul and Lappin, Julia and Heslin, Margaret and Onyejiaka, Adanna and Donoghue, Kim and Lomas, Ben and Kirkbride, James B and Murray, Robin M and Croudace, Tim and Morgan, Craig and Jones, Peter B (2015) Mortality in schizophrenia and other psychoses: a 10-year follow-up of the ӔSOP first-episode cohort. Schizophrenia Bulletin , 41 , (3) , pp. 664-73.

Duffy, RM and Kelly, BD (2015) Steroids, psychosis and poly-substance abuse. Irish Journal of Psychological Medicine , 32 , (2) , 227 -230.

McLoughlin, Benjamin C and Pushpa-Rajah, Jonathan A and Gillies, Donna and Rathbone, John and Variend, Hannele and Kalakouti, Eliana and Kyprianou, Katerina (2014) Cannabis and schizophrenia. Cochrane Database of Systematic Reviews , (10) .

O'Tuathaigh, Colm MP and Gantois, Ilse and Waddington, John L (2014) Genetic dissection of the psychotomimetic effects of cannabinoid exposure. Progress in Neuro-psychopharmacology & Biological Psychiatry , 52 , pp. 33-40.

Doyle, Frank and Rhode, Daniela and Rutkowska, Aleksandra and Morgan, Karen and Cousins, Grainne and McGee, Hannah (2014) Systematic review and meta-analysis of the impact of depression on subsequent smoking cessation in patients with coronary heart disease: 1990-2013. Psychosomatic Medicine , 76 , (1) , pp. 44-57.

Murphy, Jamie and Houston, James Edward and Shevlin, Mark and Adamson, Gary (2013) Childhood sexual trauma, cannabis use and psychosis: statistically controlling for pre-trauma psychosis and psychopathology. Social Psychiatry and Psychiatric Epidemiology , 48 , pp. 853-861.

Farren, Conor Kevin and Snee, L and Daly, Pamela and McElroy, Sharon (2013) Prognostic factors of 2-year outcomes of patients with comorbid bipolar disorder or depression with alcohol dependence: importance of early abstinence. Alcohol and Alcoholism , 48 , (1) , pp. 93-98.

Madigan, Kevin and Brennan, Daria and Lawlor, Elizabeth and Turner, Niall and Kinsella, Anthony and O'Connor, John J and Russel, Vincent and Waddington, John L and O'Callaghan, Eadbhard (2013) A multi-center, randomized controlled trial of a group psychological intervention for psychosis with comorbid cannabis dependence over the early course of illness. Schizophrenia Research , 143 , pp. 138-142.

Lyons, Suzi (2013) Trial of group psychological intervention for psychosis with cannabis dependence. Drugnet Ireland , Issue 45, Spring 2013 , pp. 12-13.

Lally, John and Higaya, Emam-El and Nisar, Zafer and Bainbridge, Emma and Hallahan, Brian (2013) Prevalence study of head shop drug usage in mental health services. The Psychiatrist Online , 37 , (2) , pp. 44-48.

Flynn, Darran and Smith, Damian and Quirke, Luke and Monks, Stephen and Kennedy, Harry G (2012) Ultra high risk of psychosis on committal to a young offender prison: an unrecognised opportunity for early intervention. BMC Psychiatry , 12 , (1) .

Skinner, R and Conlon, Louise and Gibbons, D and McDonald, C (2011) Cannabis use and non-clinical dimensions of psychosis in university students presenting to primary care. Acta Psychiatrica Scandinavica , 123 , pp. 21-27.

El-Higaya, Emam and Ahmed, Mohamed and Hallahan, Brian (2011) Whack induced psychosis: a case series. Irish Journal of Psychological Medicine , 28 , (1) , S11-S13.

Long, Jean (2011) Mental illness and alcohol and other drug use. Drugnet Ireland , Issue 38, Summer 2011 , pp. 20-21.

Barrowclough, Christine and Haddock, Gillian and Wykes, Til and Beardmore, Ruth and Conrod, Patricia and Craig, Tom and Davies, Linda and Dunn, Graham and Eisner, Emily and Lewis, Shon and Moring, Jan and Steel, Craig and Tarrier, Nicholas (2010) Integrated motivational interviewing and cognitive behavioural therapy for people with psychosis and comorbid substance misuse: randomised controlled trial. British Medical Journal , 341 , (c6325) .

Hill, Michele and Crumlish, Niall and Whitty, Petter and Clarke, Mary and Browne, Stephen and Kamali, Moayyad and Kinsella, Anthony and Waddington, John L and Larkin, Conall and O'Callaghan, Eadbhard (2010) Nonadherence to medication four years after a first episode of psychosis and associated risk factors. Psychiatric Services , 61 , (2) , pp. 189-92.

Farren, Conor Kevin and McElroy, Sharon (2010) Predictive factors for relapse after an integrated inpatient treatment programme for unipolar depressed and bipolar alcoholics. Alcohol and Alcoholism , 45 , (6) , pp. 527-533.

Turkington, Aidan and Mulholland, Ciaran C and Rushe, Teresa M and Anderson, Rick and McCaul, Rosalind and Barrett, Suzanne and Barr, Ruth S and Cooper, Stephen J (2009) Impact of persistent substance misuse on 1-year outcome in first-episode psychosis. British Journal of Psychiatry , 195 , (3) , pp. 242-248.

Kamali, Moayyad and McTigue, Orfhlaith and Whitty, Peter and Gervin, Maurice and Clarke, Mary and Browne, Stephen and Larkin, Conall and O'Callaghan, Eadbhard (2009) Lifetime history of substance misuse in first-episode psychosis: Prevalence and its influence on psychopathology and onset of psychotic symptoms. Early Intervention in Psychiatry , 3 , (3) , pp. 198-203.

Shoptaw, Steven J and Kao, Uyen and Ling, Walter (2009) Treatment for amphetamine psychosis. Cochrane Database of Systematic Reviews , (1) .

Arendt, Mikkel and Mortensen, Preben B and Rosenberg, Raben and Pedersen, Carsten B and Waltoft, Berit L (2008) Familial predisposition for psychiatric disorder: comparison of subjects treated for cannabis-induced psychosis and schizophrenia. Archives of General Psychiatry , 65 , (11) , pp. 1269-1274.

Farren, Conor Kevin and McElroy, Sharon (2008) Treatment response of bipolar and unipolar alcoholics to an inpatient dual diagnosis program. Journal of Affective Disorders , 106 , (3) , pp. 265-272.

Keenan, Eamon and Gervin, Maurice and Dorman, Arthur and O'Connor, John J (1993) Psychosis and recreational use of MDMA ("ecstasy"). Irish Journal of Psychological Medicine , 10 , (3) , pp. 162-163.

Report

Health Service Executive, Ireland. Department of Health. (2025) Sharing the Vision: implementation plan 2025 - 2027. Dublin: Health Service Executive and Department of Health.

Daly, Antoinette and Lovett, Harriet and Lynn, Ena (2024) National Psychiatric Inpatient Reporting System (NPIRS) annual report on the activities of Irish psychiatric units and hospitals, 2023. Dublin: Health Research Board.

World Health Organization. (2024) Clinical descriptions and diagnostic requirements for ICD-11 mental, behavioural and neurodevelopmental disorders. Geneva: World Health Organization.

O'Reilly, Laura and Mac Cionnaith, Criostoir and Lawless, Marie (2024) An exploration of women and crack cocaine use in Ballymun: trajectories, experiences, and interventions. Dublin: Ballymun Local Drugs and Alcohol Task Force in partnership with Urrús/Ballymun Youth Action Project.

Guidelines Review Committee, Mental Health and Substance Use. (2023) Mental Health Gap Action Programme (mhGAP) guideline for mental, neurological and substance use disorders. Geneva: World Health Organization.

Davies, Miranda and Hutchings, Rachel and Keeble, Eilís (2023) Growing up inside: understanding the key health care issues for young people in young offender institutions and prisons. London: Nuffield Trust.

Byrne, Paula and Fenton, Joanne and Kelly, Kathyan (2023) The effects of COVID-19 on a marginalised cohort in the Dublin region: a longitudinal qualitative exploration. Dublin: HSE National Office for Suicide Prevention.

Daly, Antoinette and Lynn, Ena (2023) National Psychiatric Inpatient Reporting System (NPIRS) annual report on the activities of Irish psychiatric units and hospitals, 2022. Dublin: Health Research Board.

Mitchell, Gerry and Murphy, Emily and Bojarcz, Sara and Cohen, Shana (2023) Is an EU-wide approach to the mental health crisis necessary? Dublin and Brussels: TASC and Foundation for European Progressive Studies.

Darker, Catherine D and O’Connell, Nicola and Reddon, Hudson and Nicolson, Gail (2022) The National clinical programme for early Intervention in psychosis: a process evaluation of the implementation of a new model of care in three demonstration sites. End of project report. Dublin: Trinity College Dublin.

Liccardo Pacula, Rosalie and Pessar, Seema Choksy and Zhu, Joy and Kritikos, Alexandra F and Smart, Rosanna (2022) Federal regulations of cannabis for public health in the United States. Los Angelus: USC Schaeffer.

Office for National Statistics. (2022) Victimisation and its relationship to drug misuse, common mental disorder and well-being in England and Wales: year ending March 2021. London: Office for National Statistics.

Davies, Miranda and Hutchings, Rachel and Keeble, Eilís (2022) Inequality on the inside: using hospital data to understand the key health care issues for women in prison. London: Nuffield Trust.

Rigoni, Rafaela and Liebregts, Nienke and Schiffer, Katrin (2021) Briefing paper. Treatment, prevention and harm reduction interventions for different forms of ATS use. Amsterdam: De Regenboog Groep; Correlation-European Harm Reduction Network.

National Suicide Research Foundation, Irish Prison Service. (2021) Self-harm in Irish prisons 2019: Third report from the Self-Harm Assessment and Data Analysis (SADA) project. Longford: Irish Prison Service.

Davies, Miranda and Keeble, Eilís and Hutchings, Rachel (2021) Injustice? Towards a better understanding of health care access challenges for prisoners. London: Nuffield Trust.

National Institute for Health and Care Excellence. (2020) Rehabilitation in adults with complex psychosis and related severe mental health conditions. [O] Effective interventions for improving engagement in addressing substance misuse. Evidence review. London: NICE.

Substance Abuse and Mental Health Services Administration. (2019) First-episode psychosis and co-occurring substance use disorders. Rockville, MD: National Mental Health and Substance Use Policy Laboratory. Substance Abuse and Mental Health Services Administration.

North, Paul (2017) Street lottery: cannabis potency and mental health. London: Volteface.

National Institute for Health and Care Excellence. (2016) Coexisting severe mental illness and substance misuse: community health and social care services. London: NICE.

Holloway, Aisha and Smart, Alison and Parker, Richard (2015) Exploring the impact and harms on families of those experiencing substance misuse: anxiety, depression and mental wellbeing. Executive summary. Glasgow: Scottish Families Affected by Alcohol and Drugs.

National Institute for Health and Clinical Excellence, National Collaborating Centre for Mental Health. (2011) Psychosis with coexisting substance misuse: assessment and management in adults and young people. London: NICE.

National Institute for Health and Care Excellence. (2011) Coexisting severe mental illness (psychosis) and substance misuse: assessment and management in healthcare settings. London: NICE.

Centre for Public Health, Liverpool John Moores University. (2011) A summary of the health harms of drugs. London: Department of Health & National Treatment Agency for Substance Misuse.

RCGP Secure Environments Group. (2011) Safer prescribing in prisons: guidance for clinicians. London: Royal College of General Practitioners.

Division of Clinical Psychology. (2010) Understanding bipolar disorder. Why some people experience extreme mood states and what can help. London: The British Psychological Society.

Webpage

BMJ. (2024) BMJ Best practice: psychiatry. URL: https://bestpractice.bmj.com/specialties/18/Psychi...

Health Service Executive. (2023) The effects of alcohol on your body. URL: https://www2.hse.ie/living-well/alcohol/health/eff...

FactSheet

Jordan, Deborah (2024) Psychosis: what is it? Wicklow: East Coast Regional Drug and Alcohol Task Force.

Police Service of Northern Ireland. (2022) You, your child and alcohol. Belfast: Police Service of Northern Ireland.

Alcohol Concern. (2015) Alcohol and depression factsheet. London: Alcohol Concern.

Dail Debates

[Oireachtas] Joint Sub-Committee on Mental Health debate. Youth mental health: discussion. (06 May 2021)

Conference or Workshop Item

Corrigan, Desmond (2004) Drugs: mood, memory and mayhem. In: Drug Treatment Centre Board Evening Seminar Series, 4 November 2004.

Thesis

O'Connor, Maebh (2020) An exploration of alcohol use, attachment, and recovery in psychosis. PhD thesis, Queen's University Belfast.

Harley, Michelle (2013) An investigation of cannabis use and childhood trauma in relation to psychotic symptoms and their outcomes: a population-based follow-up study of Irish adolescents. PhD thesis, Royal College of Surgeons in Ireland.

Video

Royal College of Surgeons in Ireland. (2025) RCSI MyHealth Series 2024/25. Cannabis and young minds: what parents and families should know. RCSI.

Bowden-Jones, Owen (2024) RCPsych President's lecture: Comorbidity, collaboration and compassion. Royal College of Psychiatrists.

Lappin, Julia (2023) NDARC webinar series presentation: Psychosis and stimulants. National Drug and Alcohol Research Centre.

National Drug and Alcohol Research Centre. (2022) 2022 NDARC annual research symposium: spotlight presentations. NDARC.

in sync Youth and Family Services. (2019) The WITH (wellbeing in the home) Project. in sync Youth and Family Services.

Audio

Society for the Study of Addiction. Calder, Robert (2024) Addiction audio. Season 2, 2024. London: Society for the Study of Addiction.

Society for the Study of Addiction. Calder, Robert (2023) Addiction audio. Season 2, 2023. London: Society for the Study of Addiction.

Society for the Study of Addiction. Calder, Robert (2022) Addiction audio. Season 1, 2022. London: Society for the Study of Addiction.

Dataset

World Health Organization Regional Office for Europe. (2024) Alcohol abuse (including alcoholic psychosis), number of deaths, by sex [Europe].

Teaching Resource

Statspearl. (2024) StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing.

News

[Irish Examiner] , Dunphy, Liz Vapes with cannabinoids causing psychosis in users as young as 13. (25 Nov 2024)

[newstalk.com] , Luke, Chris I’ve seen many friends succumb to it: warning over cannabis addiction. (06 Aug 2024)

[thejournal.ie] , Ryan, Orla Psychosis team in Cork sees significant decrease in number of people using drugs and alcohol. (22 Apr 2024)

[Extra.ie] , McCann, Debbie Five murder cases linked to cannabis use in just a single year. (07 Apr 2024)

[Irish Examiner] , O'Callaghan, Helen Dry January: how a month with no alcohol can improve your mood, sleep and prevent illness. (05 Dec 2023)

[Irish Examiner] , Murphy, Ann Cannabis reports: news articles examining the arguments for and against regulating marijuana as medicine. (02 Aug 2022)

[Irish Examiner] , Kelly, Brendan Gone to pot: Leading psychiatrist on the cannabis debate. (26 Jun 2019)

[Irish Times] Potent cannabis strongly linked to psychosis study finds. (19 Mar 2019)

[Independent.ie] , Casey, Patricia Study proves cannabis can lead to psychosis. (22 May 2018)

[Irish Examiner] , O'Keeffe, Cormac Prisoners are more prone to drug use and psychosis. (21 May 2018)

[RTE News] Chemicals in tobacco 'linked' to psychosis. (10 Jul 2015)