Cannabis and psychosis: it’s high time for a review

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Joe Barnby considers the findings of a recent meta-analysis of cannabis use and symptoms severity in individuals at ultra-high risk for psychosis.

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Nicotine reverses hypofrontality in animal models of addiction and schizophrenia

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Marcus Munafo looks at a complex and sophisticated series of experiments that provide further insight into the relationships between genetic risk, cigarette smoking and schizophrenia.

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NICE one? Is NHS guidance on substance misuse fit for purpose?

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Ian Hamilton explains why the National Institute for Health and Care Excellence have missed a trick by not updating their 2007 guidance on psychosocial interventions for substance misuse.

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Marijuana use and head and neck cancer risk #CannabisMatters

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9 case-controlled studies were included in this review of the effect of marijuana use on head and neck cancer. The findings suggest no association marijuana use and head and neck cancer but other reviews suggest that this may differ by tumour site

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Nicotine without smoke: new RCP report on e-cigarettes and tobacco harm reduction

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Debutant blogger and vaping activist Lorien Jollye presents a new tobacco harm reduction report from the Tobacco Advisory Group of the Royal College of Physicians.

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Tobacco use and alcohol intake key risk factors for head and neck cancer

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The International Head and Neck Cancer Epidemiology (INHANCE) consortium is a collaboration of research groups leading large epidemiology studies to improve the understanding of the causes and mechanisms of head and neck cancer. This overview paper provides a summary their findings over the past decade.

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Should we stigmatise smokers?

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Andrew Jones on a recent systematic review that brings together quantitative and qualitative research about the positive and negative impact of tobacco cessation campaigns and measures. The review concludes that stigmatising of smoking can lead to unintended consequences, such as increased stress, social isolation and smoking relapse.

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Alcohol and tobacco in YouTube music videos: young female teenagers most exposed

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Sally Adams charts the presence of tobacco and alcohol in YouTube music videos and considers the impact that this content has on adults and young people in Britain.

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Cigarette smoking may enhance vulnerability for cannabis dependence

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Andrew Jones considers the findings of a longitudinal study of young cannabis users in the UK, which highlights an association between cigarette smoking and cannabis dependence.

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Does tobacco use cause psychosis?

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Marcus Munafo appraises a recent systematic review and meta-analysis of prospective, case-control and cross-sectional studies, which finds that daily tobacco use is associated with an increased risk of psychosis and an earlier age at onset of psychotic illness.

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