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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.

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.

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

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.

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.

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

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 (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. (2023) Alcohol abuse (including alcoholic psychosis), number of deaths, by sex [Europe].

Teaching Resource

Statspearl. (2022) StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing.

News

[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)