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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Away from crime and into treatment: diversion and aftercare for drug-using offenders

The review showed some evidence of publication bias

Can we steer drug-using offenders away from crime and into treatment? Chris Sampson explores a study of the cost-effectiveness of diversion and aftercare programmes for offenders using class A drugs.

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Is moderate alcohol consumption good for you?

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Beware underpowered observational studies! Marcus Munafò helps us understand why a recent BMJ study on all cause mortality and age specific alcohol consumption is not as simple as the newspapers would have us believe.

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Financial incentives for smoking cessation in pregnancy

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Meg Fluharty highlights a recent study suggesting that financial incentives may be beneficial in helping pregnant women quit smoking. This recent study investigated the effectiveness of shopping vouchers in addition to NHS Stop Smoking Services to aid quit attempts in pregnant women.

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Pharmacotherapies for reducing cannabis dependence

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Kathryn Walsh reports on a recent Cochrane systematic review of pharmacotherapies for cannabis dependence, which concludes that there is a lack of evidence for all medications reviewed.

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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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Reducing alcohol consumption in illicit drug users: new Cochrane review on psychotherapies

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Olivia Maynard reports on a recent Cochrane review that investigates talking therapies for reducing alcohol consumption in illicit drug users. The reviewers found no differences in the effectiveness of different psychotherapies (motivational interviewing, brief interventions, CBT) and insufficient evidence to draw any meaningful conclusions.

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Brief interventions for substance misuse in primary care

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Claire Mokrysz reports on two RCTs in JAMA that find no superiority over control for brief interventions for substance misuse in primary care. A finding that casts some doubt on interventions such as motivational interviewing for unhealthy drug use in primary care patients.

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