Who gets bullied? Using genetic information to identify individual vulnerabilities

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Lucy Bowes explores a multi-polygenic score approach to identifying individual vulnerabilities associated with the risk of bullying, which suggests that depression, ADHD, risk taking, BMI and intelligence are independently associated with exposure to bullying.

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Meta-analysis finds medium-sized deficit for IQ-change in schizophrenia patients

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When Kraepelin first described the symptoms of the disorder we now call schizophrenia, he drew particular attention towards the deterioration of cognitive function he observed in his patients and named their condition “dementia praecox”. To this day, cognitive deficits are still regarded as one of the key features of schizophrenia (and related diagnoses), and it [read the full story…]

Teenage cannabis use may reduce IQ in adulthood

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This well conducted prospective cohort study looks at the impact that cannabis use can have on the development of the brain over a 20 year period, from the teenage years to middle-age. The research studied 1,037 people from New Zealand who are part of the Dunedin Multidisciplinary Health and Development study, which followed participants from [read the full story…]