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The development of new therapeutic methods for intervening in brain function has the potential to influence aspects of a person’s agency, including their autonomy and authenticity. To determine whether or not this is the case, we need an assay that can measure aspects of agency before and after neurointervention. This chapter introduces a framework for thinking about agency as a multidimensional construct, and describes a research project aimed at measuring agency. The authors develop an Agency Assessment Tool (AAT) using survey methods and present preliminary results from the project that shows that the AAT can characterize control and patient groups along several dimensions with a factor analysis; the results show some interesting patterns among putative conceptual dimensions with network analysis. Although the data do not go so far as to include interventions to help understand causal relations, the authors discuss the prospects for using data-driven tools to come up with ontologies of agency.
Racism compromises health across the life course, including early in development for children across racial groups. Fostering anti-racism early during this period when racial attitudes are more malleable holds promise to reduce victimization and the development of racial bias. This chapter synthesizes extant findings on the health implications of racism during this formative stage, delineates key mechanisms amenable to intervention, and proposes evidence-based elements of a ColorBRAVE framework for family-centered discussions to promote anti-racism in early childhood. ColorBRAVE conversations in these contexts include honest, equity-focused discussions with children about what race is, the historical origins of racial inequities, and racial discrimination and White privilege, including themes of accountability and agency. ColorBRAVE family-based interventions should be considered part of a comprehensive societal effort to promote racial justice and public health.
The prevalence and burden of depression are increasing among young people. Despite this, relatively few treatments specifically target this critical developmental period, and under-addressed mental health difficulties in youth often have lifelong consequences. Social isolation is commonly reported by young adults and is both a risk and maintenance factor for depression. There is a need for accessible, engaging interventions that can reduce depressive symptoms and improve social connectedness.
Methods
Building on evidence of the therapeutic potential of social dance-based activities for depression, this randomized controlled trial evaluated the efficacy of an 8-week salsa dance intervention for young adults (aged 18–24 years) with mild to moderately severe depressive symptoms. 121 participants were randomly assigned to either a salsa intervention or a waitlist control. Participants completed the Patient Health Questionnaire (PHQ-9), a validated measure of depressive symptoms, and additional mental health measures at baseline, during, and after the intervention.
Results
Participants in the salsa dance condition showed a significantly greater reduction in depressive symptoms than the waitlist control, with a −2.45 PHQ-9 point between-group difference, exceeding the criterion for clinical significance. Both groups reported improvements in social anxiety, generalized anxiety, loneliness, and daily happiness, but salsa participants had significantly greater reductions in social anxiety and greater improvements in daily happiness.
Conclusions
These findings support the value of social dance as a novel, accessible intervention for reducing depressive symptoms. Implementing such programs within a suite of wellbeing-oriented interventions for young people could provide cost-effective mental health benefits.
With nearly one in six children globally living in conflict zones, evidence-based mental health and psychosocial support (MHPSS) is crucial. This systematic mapping review with narrative synthesis followed the PRISMA 2020 guidelines to synthesize fifty-six studies examining in-country interventions for conflict-affected youth under 25 from 1990 to 2025. The studies were mostly conducted in the global South and utilized various methods, including Teaching Recovery Techniques, trauma-focused cognitive behavioural therapy, and school-based programmes.
The findings were mixed. While twenty-five studies reported positive outcomes regarding post-traumatic stress symptoms (PTSS), anxiety and social functioning, the effects often diminished over time, and long-term data (>6 months) remains scarce. The review identified three critical success factors: multilayered stepped-care models, task-sharing with trained lay workers, and family engagement. To be effective, cultural adaptation and age-appropriate tailoring were essential; efforts in this regard ranged from play-based interventions for younger children to structured therapies for adolescents.
The evidence base is limited by methodological heterogeneity and short follow-up periods. To bridge the research–practice gap, future efforts must prioritize longitudinal evaluations and stronger collaboration between researchers and humanitarian actors to ensure that interventions effectively mitigate the long-term impacts of conflict.
Food insecurity (FI) has increased in recent years due to economic shifts and rising food prices, with 13.6% of UK households experiencing FI, 47% including children in 2024. Following PRISMA guidelines, this systematic review with narrative synthesis explored the impact of UK interventions addressing FI for children, families, and pregnant women. Seven databases and two clinical trial registers were systematically searched for articles published between 2008–November 2023 (rapid search November 2023–February 2026). Peer-reviewed intervention studies were eligible if they were conducted in the UK, had an experimental design, targeted at least one FI pillar (accessibility, utilisation, availability, and stability) and if most participants were children aged 0–11 years, families with at least one child 0–11 years, or pregnant women. 18,225 articles were identified (rapid search identified 5,514); 11 intervention studies were included (rapid search n = 2). Types of interventions included cooking interventions (n = 4), free school meals (n = 3), holiday clubs (n = 2), supermarket vouchers (n = 1), and food bags (n = 1). Food availability was targeted in seven studies, food accessibility and utilisation in five, and food stability in one, one study included FI as an outcome. The interventions demonstrated barriers and facilitators to inform future intervention development. Most studies were considered serious or critical risk of bias. A lack of high-quality interventions addressing FI were identified. The additional studies reflected the evidence from the original studies. Government policies and funding are needed to relieve FI. Research needs to co-develop acceptable interventions and evaluate their effectiveness to reduce FI among families.
Media coverage of suicide can influence population suicide rates. While reports of suicide deaths are often associated with increased suicides (Werther effect), stories of survival may be associated with reductions (Papageno effect). On 11 September 2024, news outlets widely reported musician Jon Bon Jovi intervening to stop a woman’s suicide attempt in Tennessee.
Aims
To assess whether this highly publicised intervention was associated with contemporaneous reductions in suicide deaths in Tennessee and 19 comparison states.
Method
We conducted quasi-Poisson time-series analyses of monthly suicide deaths from 2014 to 2024, adjusting for macroeconomic indicators and seasonality. To ensure geographic and temporal specificity, we employed a two-stage validation framework including temporal placebo testing (116 iterations) and comparison across 19 states (60 subgroups, by total and gender) using Benjamini–Hochberg false discovery rate (FDR) correction.
Results
In Tennessee, a significant reduction in suicide mortality occurred in September 2024 (risk ratio 0.78; percentile: 0.9%). The effect was most robust among Tennessean males (risk ratio 0.74), at the 0.9th percentile of the historical distribution. This was the only subgroup among 60 examined to maintain statistical significance after FDR adjustment (p < 0.001). No significant deviation was observed among Tennessean females or within comparison states after multiple testing corrections.
Conclusions
This study provides the first evidence of a Papageno effect following a widely publicised, real-life survival story. The localised impact suggests a local exposure and/or resonance factor, while the male-specific reduction may reflect identification with the male intervener (i.e. Bon Jovi). Survival narratives may represent an underutilised opportunity for suicide prevention and warrant further study and should be integrated into responsible media reporting guidelines.
This chapter concerns the nature and role of the International Court of Justice. It begins by describing the organisation of the Court and the procedure for the appointment of the judges, then passes to the critical question of the jurisdiction of the Court. This is divided into interstate contentious jurisdiction and advisory jurisdiction. The former is based on consent, whether express or based upon a pre-existing obligation (whether a treaty or a declaration by the relevant states as deposited with the Court) as reflected in the Statute of the Court and its Rules. The sources of law, judicial propriety and legal interest are then considered, followed by an analysis of the question of evidence. The chapter turns to the indication of provisional measures, counterclaims and intervention by third parties. The question of remedies is then addressed, before the chapter turns to the advisory jurisdiction of the Court, where requested by the UN and its organs. The chapter concludes with a discussion of the role of the Court and the problem of the proliferation of courts and tribunals.
This chapter focuses on the use of force by states. It begins with a brief survey of law and force from the era of the ‘just war’ to the rise of the United Nations. The relevant provisions of the UN Charter concerning the use of forces are then examined. In particular, the meaning of art. 2(4), which prohibits the threat or use of force against states, is discussed. The various categories of compulsion are noted, from retorsion and reprisals to the right to self-defence. The latter is carefully examined in the light of practice and art. 51 of the Charter. The use of force in self-defence against non-state actors is addressed, as is the concept of collective self-defence and intervention. The phenomenon of civil wars is noted, as is the theory of humanitarian intervention. The question of terrorism and international law is examined before the chapter turns to the issue of cyber warfare.
Mathematical computation skills are a common vulnerability in those born very preterm (VP), but the underlying cognitive mechanisms have not been established. Using causal mediation methods, we aimed to investigate whether working memory, processing speed, and selective attention at 7 years of age could mediate the relationship between VP birth and mathematics computation performance at 13 and 20 years of age.
Methods:
Participants completed standardized measures of working memory, processing speed, and selective attention at 7 years. At 13 and 20 years, participants completed a standardized measure of mathematical computation. Using an interventional effects approach, we estimated the extent to which differences in mathematic performance could be reduced by hypothetically intervening on working memory, processing speed, and selective attention in childhood.
Results:
The VP group performed lower than the FT group on mathematic computation at 13 and 20 years. Improving working memory, processing speed, and selective attention separately in the VP group to the level of the FT group reduced the difference in mathematics performance at both 13 and 20 years. If all cognitive domains were to be simultaneously intervened on so that the VP group matched the FT group, there would be a reduction in difference in mathematic performance by 68.7% at 13 years and 44.1% reduction at 20 years.
Conclusions:
Findings from our causal mediation analyses suggest that interventions targeting working memory, processing speed, and selective attention in childhood for those born VP have potential for improving mathematical outcomes in adolescence born VP, especially if implemented concurrently.
Functional neurological disorder (FND) is characterised by disabling motor, sensory and/or seizure symptoms. Contemporary models highlight the possible involvement of altered affective and autonomic regulation and interoceptive processing in FND. However, accessible, mechanism-informed interventions remain limited.
Aims
This study sought to examine the feasibility, acceptability and possible benefits of tailored somatic yoga for people with FND, aiming to directly target altered emotional and bodily regulation in this group.
Method
This single-site, two-arm randomised feasibility trial allocated adults with FND to 6 weeks of either somatic yoga (weekly remote sessions plus home practice manual) or a music-based relaxation control. Feasibility outcomes included recruitment, retention, adherence and acceptability. Secondary outcomes, assessed at baseline, week 3, week 6 and 3-month follow-up, included FND symptom burden, psychological symptoms (anxiety, depression, dissociation), general functioning, health-related quality-of-life, interoceptive awareness and autonomic symptoms.
Results
Seventy-six enquiries were received. Thirty participants consented (100%), 27 were randomised (90%), 23 commenced the trial (77%) and 21 completed it (70%). Recruitment and retention targets were met, with 100% retention in the yoga arm. Adherence was high across both groups, although digital logging of home practice posed usability challenges. Exploratory analyses indicated large effect sizes for self-reported FND symptom improvement and interoceptive awareness in the yoga group, with effects sustained at follow-up.
Conclusions
Individually delivered somatic yoga was found to be feasible, acceptable and safe for people with FND. Our results also suggest potential benefits of somatic yoga for FND symptom improvement and interoceptive awareness, supporting progression to a fully powered trial.
This article reports on the feasibility, acceptability of a trial design and results of ¡Coma, Muévase y Viva!, an adapted version of the Eat, Move, Live! Curriculum, a 10-week diet and lifestyle change intervention for low-income Latina and Indigenous Mexican women in rural Inland Southern California.
Design:
A pilot randomised intervention and wait-list controlled parallel trial.
Settings:
Latina and Indigenous Mexican women participated in ¡Coma, Muévase y Viva!, the adapted version of the curriculum customised for Spanish speakers with a focus on health literacy, cultural norms and values, and delivered by community health workers/promotoras.
Participants:
Participants were randomised into the intervention (n 19) or wait-list control (n 16). Most were Latino (88 %), mothers (75 %) and foreign-born (87 %).
Results:
The adapted intervention was feasible and acceptable with 87·5 % of participants retained at three months. The intervention was delivered with high fidelity. Intervention compared to control participants reported success with predetermined prioritised goals (OR = 0·25, 95 % CI: 0·06, 0·99, P = 0·03) and showed a greater likelihood of cooking healthier food (OR = 4·87, 95 % CI: 1·04, 22·90, P = 0·05), enjoyment of cooking healthy meals (OR = 3·94, 95 % CI: 0·87, 17·92, P = 0·08) and doing physical activities (OR = 5·30, 95 % CI: 1·16, 24·24, P = 0·03). Healthy eating and physical activity as primary outcomes indicated the intervention group was more likely to eat healthy and be active (OR = 2·08, 95 % CI: 1·12, 3·89, P = 0·02).
Conclusion:
The adapted intervention was feasible and acceptable and indicated an effect on dietary and lifestyle behaviour change with significant changes in meeting desired goals and engaging in healthy eating and physical activity.
This final chapter proposes a more reflective stance on the overall project of a regional, dialogical case study and considers the many ways by which it can be said to be dialogical. First, it recalls that research itself is always emerging as part of many collaborative dialogues around a theme, which itself can be evolving over time. Second, it highlights that a regional case study entails per definition a collective dialogue with a region and its actors, often beyond the specific project itself. Third, it summarises the deliberate use of techniques mobilised to catalyse dialogue with the region – here, participatory and art-based methods, among others. It also clarifies the type of intervention led when adopting a dialogical epistemological and ethical stance. Finally, the chapter closes with the more general implications of the present study to reflect upon dialogical approaches.
Puppetry-based activities could serve as a low cost and manageable intervention in improving health-related outcomes. This review aims to identify the research to date and gaps in practice of the role and application of puppetry interventions in nutrition education. A scoping review was conducted using the PICOS framework and PRISMA-ScR guidelines, identifying studies across eight databases between January, 1980 and July, 2025.Twenty-five studies were identified, with the majority (n = 19) aimed at pre-school and school-aged children. Fifteen studies used quasi-experimental, pre–post designs. The use of hand and finger puppets was common, as well as videos and puppet theatre. Studies reported consistently positive findings in knowledge gain and psychosocial involvement, but mixed results on behaviour change. Little is known about the rationale for the type of puppet used, the scripts, and what audience was targeted for nutrition intervention messaging. Research could be undertaken to give more insight into matching what type of puppet to use to match the nature, scope, and extent of the educational message. Reports and recommendations in this review showed that participant engagement is a common and important objective. The gaps of knowledge in use of puppetry in nutrition education are many, thus creating opportunities for further evaluations and research, particularly in utilising what seems to be a manageable intervention within health promotion and disease prevention programmes. Puppetry can be a low cost, flexible, and easy to manage adjunct to nutrition education activities, providing culturally appropriate messaging with a range of audiences.
While the environment almost always suffers in conflict, it can also present opportunities for cooperation – this is the key premise and promise of environmental peacebuilding. Harnessing shared environmental risks and challenges for collective and cooperative action has the potential to foster relationship development that can prevent conflict and/or restore peace. Environmental peacebuilding and methods of intervention, such as impact assessments and peace agreements, have the potential to be an antidote to any or all of the environment-conflict intersections. This chapter explores the literature on environmental peacebuilding and key tools of the trade.
Edited by
Katherine Warburton, California Department of State Hospitals, University of California, Davis, USA,Stephen M. Stahl, University of California, Riverside, USA
This chapter delves into the ethical dimensions of treating individuals with schizophrenia, emphasizing the need for a new perspective that integrates neuroethics into interventions. The author proposes a bio-systemic model to understand how schizophrenia impacts different levels of consciousness and freedom, highlighting the necessity for tailored interventions that restore autonomy rather than coercive measures. The chapter calls for a shift in policy towards early and assertive treatment, focusing on rebuilding autonomy and dignity for individuals with schizophrenia. Ultimately, the chapter serves as a call to action for a neuroethically informed approach to care that prioritizes the restoration of freedom and dignity for those affected by schizophrenia.
Food insecurity (FI), defined as unreliable access to healthy, nutritious food, is a major health concern in higher-income countries, primarily due to its association with an increased risk of obesity. Supermarket-based interventions may influence population-level food purchasing behaviour, an antecedent to consumption. It is unclear whether there are specific characteristics that these interventions should employ to resonate with vulnerable groups. This scoping review aimed to explore the characteristics of supermarket-based interventions that sought to support healthier and/or more environmentally sustainable food purchasing for people living with obesity, overweight (PLWO/Ow), and/or FI.
A systematic literature search, conducted in Medline, Embase, CINAHL, Scopus, and Web of Science databases, identified 35 eligible studies, representing 43 interventions. Title and abstract screening and data extraction were conducted independently by two reviewers. Most interventions focused on supporting the purchase of healthy food items. No study applied a validated measure of FI. Area-level demographic data were used to identify FI-related characteristics (i.e., area of low income, low socio-economic status) and, in some cases, those living with obesity. Interventions utilised the behaviour change levers of price (n = 8), promotion (n = 2), placement (n = 7), nudges (n = 4), and education (n = 2), or a combination of these (n = 20). High heterogeneity in the way behavioural change levers were operationalised and combined, alongside the use of proxy measures to identify FI and PLWO/Ow, makes it difficult to determine the most supportive intervention characteristics. This presents challenges in understanding how to best facilitate changes in purchasing patterns in favour of heathy, sustainable food items in this population.
When undertaking a community intervention, interventionists frequently recruit the help of community members who serve as key opinion leaders (KOLs). However, selecting a team of KOLs can be challenging because the evaluation of potential teams must balance considerations of members’ availability and diversity, as well as the team’s breadth of network coverage and cost of recruitment. This paper has two goals: to review the practical challenges that arise in the selection of KOLs for community interventions, and to facilitate the selection of KOLs when some of these practical challenges are present by introducing and demonstrating the KOLaide R package. We conclude by discussing future directions for facilitating the selection of KOLs in community intervention contexts.
Internet-delivered parent-led interventions can be useful for treating anxiety in children and adolescents, and they also help increase access to services while reducing time and cost.
Aims
This review aimed to investigate the effects of internet-delivered parent-led interventions on reducing anxiety in children and adolescents.
Method
A search of PubMed, PsycArticles, Cochrane Library, and Google Scholar databases identified 13 studies published between 2013 and 2024, which examined internet-delivered, parent-led interventions targeting anxiety in children.
Results
Internet-delivered parent-led interventions had overall positive effects on reduced anxiety in children and adolescents that could be maintained through follow-up. Interventions directly targeting anxiety symptoms had significant treatment effects.
Discussion
Internet-delivered parent-led interventions may be effective in reducing anxiety symptoms in children and adolescents, particularly when the intervention directly targets anxiety rather than focusing solely on parenting approaches. Interventions supplemented with therapist support, such as telephone consultations, appear to enhance treatment outcomes and help maintain effects over time. Two-thirds of the included studies had a moderate risk of bias, and one-third had a serious risk of bias. Further studies using rigorous methodologies are needed to strengthen the evidence base.
Older men face significant health inequities compared to women, with the transition to retirement often exacerbating these differences.
Objective
This study explored the benefits of participation in the Squamish Men’s Shed (SMS) in British Columbia, Canada.
Methods
Using a case study design, semistructured interviews were conducted with 12 members aged 55 and older.
Findings
Thematic analysis identified four overarching themes: A Meaningful Use of Time, The Desire to Give Back, Finding Friendship Within the Shed, and Well-Being as a By-Product. Findings described the Shed as a valuable space to maintain structure and purpose postretirement, foster community engagement, and cultivate social connection. While mental health was rarely an explicit motivation for participation, members described enhanced well-being as an indirect outcome. The Shed also provided opportunities for intergenerational contribution, reinforcing a sense of usefulness and generativity.
Discussion
The findings highlight the Shed’s potential as a community-based model that promotes men’s mental health rather than formalized interventions.
Naturally occurring retirement communities (NORCs) are geographic areas that have come to house a high proportion (≥30%) of older residents. Implementing onsite social programming in NORCs, or other places where older adults are clustered, can support aging in place. As such it is important to be able to identify sites that could benefit. We describe a data and equity-driven process used to select NORC and social housing sites for a program aimed at empowering older adults and strengthening aging in place in Toronto, Canada. We (1) created a data-driven shortlist of buildings with population-level data, (2) prioritized equity by targeting buildings with high health needs and neighbourhood-level diversity, and (3) facilitated building and resident engagement to assess interest and suitability. This process offers a novel and replicable approach for selecting sites for enhanced, place-based programming that can inform site selection for other community-based programming for older adults across diverse contexts.