Cannabis and mania: what’s the link?

Cannabis

Kathryn Walsh summarises a systematic review which finds that cannabis use may exacerbate symptoms of mania in those with a diagnosis of bipolar disorder, and trigger symptoms of mania in the general population.

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Bipolar disorder, suicide and criminality

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Elena Marcus summarises a double case-cohort study, which investigates the risk of suicide and criminal behaviours in people with bipolar disorder and their siblings, compared with the general population.

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One new drug a week: club drugs and novel psychoactive substances

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Meg Fluharty summarises a recent report from the Royal College of Psychiatrists and explores why novel psychoactive substances and club drugs need a different response from UK treatment providers.

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Smoking cessation in the emergency setting

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Olivia Maynard summarises a systematic review of smoking cessation interventions in the emergency setting, which highlights the poor quality and heterogenous nature of the published trials in this field.

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Cyberbullying and mental health in young people

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Elly O’Brien summarises a recent US survey of adolescents, which investigates the relationship between cyberbullying, mental health and substance use problems, and the moderating role of family dinners.

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Cannabis use in young people linked with lower high school completion and degree attainment

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André Tomlin and Douglas Badenoch voice a note of caution about the Lancet Psychiatry meta-analysis of cannabis use in young people. The study links cannabis use in children with low educational attainment, cannabis dependence, illicit drug use and suicide attempts in later life.

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E-cigarettes: a review of the evidence-base for regulation

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Sally Adams summarises a recent review of e-cigarettes, which looks at use, content, safety, effects on smokers and the potential for harm and benefit.

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Motivational interviewing does not prevent alcohol misuse in young people

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This new Cochrane systematic review finds that motivational interviewing has no effect on reducing alcohol-related problems or risky behaviours such as drunk driving in young people.

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Internet-based interventions for harmful drinking show small beneficial effects

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Andrew Jones summarises a recent meta-analysis on the effectiveness of guided and unguided low-intensity Internet interventions for adult alcohol misuse.

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Meta-review presents the risks of all-cause and suicide mortality in mental disorders

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This recent and well-conducted meta-review concludes that the impact on mortality and suicide of mental disorders is substantial, and probably poorly appreciated as a public health problem. Raphael Underwood’s blog summarises the data for all-cause and suicide mortality in mental disorders.

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