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Known risk factors for psychosis include:


- genertic vulnerability

- obstetric complications

- winter births

- developmental delay

- substance misuse, especially cannabis

- a traumatic experience(s)

- immigration

- urbanisation

- psychosocial stress or stressful life events

- poor premorbid social status




You can learn more about first episode psychosis using the link below:








  1. Yung, A. R., et al. (2004). Risk factors for psychosis in an ultra high-risk group: psychopathology and clinical features. Schizophrenia Research, 67(2), 131-142                                                     Available from: (accessed on 16/05/16)

  2. Mason, O. et al (2004) Risk factors for transition to first episode psychosis among individuals with ‘at-risk mental states'. Schizophrenia Research, 71 (2-3) 227–237                                          Available from: (accessed on 16/05/16)

  3. Chiliza, B et al (2008) First episode psychosis: an update. South African Journal of Psychiatry, 14 (1) 14-19                                                                                                                                    Available from: (accessed on 16/05/16)





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