Thomas Richardson

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Thomas is Principal Clinical Psychologist working for Solent NHS Trust. He works in community adult mental health services in Portsmouth providing a range of therapies including as part of the Early Intervention in Psychosis team. He is also an active researcher and leads researcher for psychological therapies in his team, and has previously published about dual diagnosis and cannabis and psychosis.


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Adolescent cannabis use increases risk of an adult psychotic diagnosis


Thomas Richardson looks at a recent prospective cohort study in the British Journal of Psychiatry on adolescent cannabis use, baseline prodromal symptoms and the risk of psychosis.

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Cannabis use can lead to relapse in psychosis, partially because patients stop taking medication


Thomas Richardson writes his debut blog about a recent prospective analysis of poor medication adherence and risk of relapse associated with continued cannabis use in patients with first-episode psychosis.

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