Alcohol use confounds the relationship between cannabis use and conversion to psychosis

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Kathryn Walsh presents a study of ‘high risk’ young people, which found that cannabis abuse or dependence significantly increased the risk of conversion to psychosis. The research also found that alcohol use weakened the relationship between cannabis use and conversion to psychosis.

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Dementia risk factors in people with mild cognitive impairment

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Akshay Nair summarises a recent systematic review and meta-analysis of modifiable predictors of dementia in mild cognitive impairment. The meta-analysis finds that diabetes and the presence of any neuropsychiatric symptoms significantly predicted the conversion of mild cognitive impairment to dementia.

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High potency cannabis and the risk of psychosis

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Eleanor Kennedy writes her debut blog on a recent case-control study of people in South London, which explores the links between first-episode psychosis and the use of high potency cannabis (skunk).

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Are we jumping to conclusions in our understanding of psychosis?

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Andrés Fonseca appraises a longitudinal study in people at high risk of psychosis, which looks at misattributing speech and jumping to conclusions.

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Schizophrenia and violent crime: perpetrators or victims?

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Debut blogger Vishal Bhavsar summarises an Israeli population-based study that explores the links between schizophrenia and violent crime. He calls on researchers to focus on people with schizophrenia as victims rather than perpetrators of crime.

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Long working hours are associated with increased alcohol use

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Sally Adams summarises a new BMJ systematic review and meta-analysis of working hours and alcohol use, which finds a link between longer working hours and risky alcohol consumption.

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Folic acid for depression: RCT finds no effect on reducing incidence of depression or bipolar

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Elly O’Brien summarises a recent RCT of folic acid for depression, which explores whether mood disorders can be prevented in young people at familial risk. The trial finds no evidence that folic acid supplementation reduces the incidence of mood disorders compared to those taking placebo.

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Alcohol use disorders and mortality in Nordic countries

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Andrew Jones appraises a recent study of mortality and life expectancy of people with alcohol use disorders in Denmark, Finland and Sweden, which provides some useful insight into the impact of hazardous alcohol use.

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