Needs to have: Introduction to set the scene (e.g. definitions such as what psychosis is; prevalence etc. and the important issues in the area e.g. the self medication debate Argument 1: evidence that links cannabis use to psychosis and critiques of studies (confounds and need to establish causation) Argument 2: evidence of causation: longitudinal studies and critique (including confounds) Mclaren 2010 good paper for discussing causation Argument 3: In the critique (its not as simple as..) we need to acknowledge that other factors interact with the cannabis- psychosis relationship e.g. trauma . Discuss the evidence and critique it Conclusion: decide how good the evidence is. Is it strong for a link, what are the main problems and what other factors might account for it better?
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