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Background: Anxiety and depressive disorders typically emerge in adolescence and can be chronic and disabling if not identified and treated early. School-based universal mental health screening may identify young people in need of mental health support and facilitate access to treatment. However, few studies have assessed the potential harms of this approach. This paper examines some of the potential mental health-related harms associated with the universal screening of anxiety and depression administered in Australian secondary schools., Methods: A total of 1802 adolescent students from 22 secondary schools in New South Wales, Australia, were cluster randomised (at the school level) to receive either an intensive screening procedure (intervention) or a light touch screening procedure (control). Participants in the intensive screening condition received supervised self-report web-based screening questionnaires for anxiety, depression and suicidality with the follow-up care matched to their symptom severity. Participants in the light touch condition received unsupervised web-based screening for anxiety and depression only, followed by generalised advice on help-seeking. No other care was provided in this condition. Study outcomes included the increased risk of anxiety, depression, psychological distress, decreased risk of help-seeking, increased risk of mental health stigma, determined from measures assessed at baseline, 6 weeks post-baseline, and 12 weeks post-baseline. Differences between groups were analysed using mixed effect models., Results: Participants in the intensive screening group were not adversely affected when compared to the light touch screening condition across a range of potential harms. Rather, participants in the intensive screening group were found to have a decreased risk of inhibited help-seeking behaviour compared to the light touch screening condition., Conclusions: The intensive screening procedure did not appear to adversely impact adolescents' mental health relative to the light touch procedure. Future studies should examine other school-based approaches that may be more effective and efficient than universal screening for reducing mental health burden among students. Trial registration Australian and New Zealand Clinical Trials Registry (ACTRN12618001539224) https://anzctr.org.au/Trial/Registration/TrialReview.aspx?id=375821 ., (© 2024. The Author(s).)

Background: Secondary schools have attempted to address gaps in help-seeking for mental health problems with little success. This trial evaluated the effectiveness of a universal web-based service (Smooth Sailing) for improving help-seeking intentions for mental health problems and other related outcomes among students., Methods: A cluster randomised controlled trial was conducted to evaluate the 12-week outcomes of the Smooth Sailing service among 1841 students from 22 secondary schools in New South Wales, Australia. Assignment was conducted at the school level. The control condition received school-as-usual. The primary outcome was help-seeking intentions for general mental health problems at 12-weeks post-baseline. Secondary outcomes included help-seeking behaviour, anxiety and depressive symptoms, psychological distress, psychological barriers to help-seeking, and mental health literacy. Data were analysed using mixed linear models. This trial was registered with the Australian and New Zealand Clinical Trials Registry (ACTRN12618001539224)., Findings: At 12-weeks post-baseline, there was a marginal statistical difference in the relative means of help-seeking intentions (effect size = 0•10, 95%CI: -0•02-0•21) that favoured the intervention condition. Help-seeking from adults declined in both conditions. There was a greater reduction in the number of students who "needed support for their mental health but were not seeking help" in the intervention condition (OR: 2•08, 95%CI: 1•72-2.27, P<•0001). No other universal effects were found. Participants found the service easy to use and understand; However, low motivation, time, forgetfulness, and lack of perceived need were barriers to use., Interpretation: Smooth Sailing led to small improvements in help-seeking intentions. Refinements are needed to improve its effectiveness on other mental health outcomes and to increase student uptake and engagement., Funding: HSBC and Graf Foundation., Competing Interests: Dr O'Dea and Professor Helen Christensen reports philanthropic non-competitive research grants from HSBC and the Graf Foundation during the conduct of the trial. Dr O'Dea reports speaker fees and travel reimbursements from the New South Wales and Queensland Departments of Education, paid to the Black Dog Institute for educational training seminars, that were outside the submitted work. All other authors have nothing to disclose., (© 2021 The Author(s). Published by Elsevier Ltd.)

Background: An increased prevalence of common mental disorders and suicide has been reported among physicians worldwide. We aimed to assess which, if any, interventions are effective at reducing or preventing symptoms of common mental health disorders or suicidality in physicians., Methods: For this systematic review and meta-analysis MEDLINE, EMBASE, PsycINFO, and Cochrane CENTRAL (database inception to March 26, 2018), reference lists of included studies, and additional sources were systematically searched and screened by two independent reviewers. We included randomised controlled studies or controlled before-after studies of interventions to reduce depression, anxiety, or suicidality in physicians, as assessed by a validated outcome measure. Both organisation-level and physician-directed interventions were considered. Our primary outcome was differences in symptoms of common mental health disorders following intervention. We used random-effects modelling for the main meta-analyses and planned subgroup and sensitivity analyses. The study protocol is registered with PROSPERO, number CRD42018091646., Findings: We identified 2992 articles for screening, of which eight were included in the systematic review (n=1023 physicians) and seven in the meta-analysis. Results indicated a moderate effect in favour of the physician-directed interventions for reduction in symptoms of common mental health disorders (standardised mean difference 0·62; 95% CI 0·40-0·83; p<0·0001). Separate analyses showed physician-directed interventions resulted in reductions of symptoms of depression, anxiety, and suicidality. No evidence of significant heterogeneity was found (Q=3·78; p=0·44)., Interpretation: Physician-directed interventions are associated with small reductions in symptoms of common mental health disorders among physicians. Research regarding organisational interventions aimed at improving physicians' mental health via modification of the work environment is urgently needed., Funding: Health Workforce Programme, Commonwealth Department of Health, Australian Government, iCare Foundation, and NSW Health., (Copyright © 2019 Elsevier Ltd. All rights reserved.)

The human brain undergoes substantial development throughout adolescence and into early adulthood. This maturational process is thought to include the refinement of connectivity between putative connectivity hub regions of the brain, which collectively form a dense core that enhances the functional integration of anatomically distributed, and functionally specialized, neural systems. Here, we used longitudinal diffusion magnetic resonance imaging to characterize changes in connectivity between 80 cortical and subcortical anatomical regions over a 2 year period in 31 adolescents between the ages of 15 and 19 years. Connectome-wide analysis indicated that only a small subset of connections showed evidence of statistically significant developmental change over the study period, with 8% and 6% of connections demonstrating decreased and increased structural connectivity, respectively. Nonetheless, these connections linked 93% and 90% of the 80 regions, respectively, pointing to a selective, yet anatomically distributed pattern of developmental changes that involves most of the brain. Hub regions showed a distinct tendency to be highly connected to each other, indicating robust "rich-club" organization. Moreover, connectivity between hubs was disproportionately influenced by development, such that connectivity between subcortical hubs decreased over time, whereas frontal-subcortical and frontal-parietal hub-hub connectivity increased over time. These findings suggest that late adolescence is characterized by selective, yet significant remodeling of hub-hub connectivity, with the topological organization of hubs shifting emphasis from subcortical hubs in favor of an increasingly prominent role for frontal hub regions., (Copyright © 2015 the authors 0270-6474/15/359078-10$15.00/0.)

Recent studies using diffusion weighted magnetic resonance imaging (DW-MRI) have provided evidence of abnormal white matter microstructure in adults with substance use disorders (SUDs). While there is a growing body of research using DW-MRI to examine the impact of heavy substance use during adolescence, this literature has not been systematically reviewed. Online databases were searched for DW-MRI studies of adolescent substance users, and 10 studies fulfilled the inclusion and exclusion criteria. We identified consistent evidence for abnormal white matter microstructure in neocortical association pathways as well as in projection and thalamic pathways. Dose-dependent relationships between DW-MRI measures and patterns of substance use were also observed. The consistency of these findings with DW-MRI research in adults suggests that white matter microstructure is impacted in the early stages of heavy substance use. However, given the largely cross-sectional nature of the available data, important questions remain regarding the extent to which white matter abnormalities are a consequence of adolescent exposure to alcohol and other drugs of abuse or reflect pre-existing differences that increase risk for SUDs., (Copyright © 2013 Elsevier Ltd. All rights reserved.)