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Introduction: Stroke and vascular cognitive impairment (VCI) are major global public health pandemics. The increased incidence of stroke and VCI is in part due to modifiable risk factors (MRFs), with hypertension (HTN) being the strongest single MRF. Even though the underlying causes of HTN are multifactorial, lifestyle choices (eg, poor diet, physical inactivity, alcohol consumption) are chief contributors. Lifestyle medicine (LSM) is a medical and evidence-based discipline that is a promising approach for preventing stroke and cognitive impairment, including VCI. The empirical evidence from systematic reviews, meta-analyses and large population-based studies has reported on the effectiveness of LSM interventions. However, the evaluation of such complex, social and behavioural interventions warrants more information to allow its successful implementation into innovative clinical care models. More importantly, we need to understand how such interventions work, who it works for and under what circumstances to successfully manage HTN and other MRFs (eg, hyperlipidaemia, smoking, alcohol use and diet)., Methods and Analysis: This realist review will follow the Realist and Meta-narrative Evidence Synthesis: Evolving Standards. The review will comprise four stages: (1) clarify the scope, (2) search for the evidence, (3) critically appraise primary studies and extract data focusing on the context, mechanism and outcome configuration and (4) synthesise evidence and draw conclusions., Ethics and Dissemination: Research ethics board approval is not required for this review. The primary output of this review will be an evidence-based programme theory for LSM interventions for the management of HTN and other MRFs to reduce the risk of stroke and VCI. Findings from this review will be disseminated at three levels: micro (eg, patients, caregivers, clinicians, non-research partners), meso (eg, public, national not-for-profit organisations, professional associations and centres) and macro (eg, policymakers and government partners)., Prospero Registration Number: CRD42024511566., Competing Interests: Competing interests: None declared., (© Author(s) (or their employer(s)) 2024. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.)

Introduction: Despite high prevalence, access to mental healthcare for Canadian youth is limited, with less than 20% receiving adequate treatment. Marginalised and at-risk youth face particular challenges, including cultural misunderstandings, long wait times and negative care experiences. A competency framework for mental health clinicians working with youth can be a tool to increase the capacity of the health workforce to deliver culturally responsive care. This scoping review aims to comprehensively summarise the existing literature on competency frameworks for mental health clinicians and youth service providers, assessing how these frameworks align with culturally responsive care and examining their development, evaluation and implementation methods., Methods and Analysis: This review protocol is guided by the Joanna Briggs Institute and Preferred Reporting Items for Systematic reviews and Meta-Analyses extension for Scoping Reviews guidelines and registered with the Open Science Framework (https://doi.org/10.17605/OSF.IO/EY7NF). The search strategy, developed with an Information Specialist, comprises a three-step process: preliminary searches in two databases, expansion of the search across Medline, CINAHL, EMBASE, PsycInfo, CENTRAL and dissertations and theses databases and examination of reference lists and hand-searching for additional sources. The search strategy was reviewed using the Peer Review of Electronic Search Strategies checklist. Eligible English language articles will be selected through title and abstract screening (level 1) and full-text review (level 2). The search dates are 18 July and 21 August 2023, as well as 19 January 2024. Data from eligible articles will be extracted in duplicate and independently using a data extraction form. The data will then be summarised descriptively and qualitatively using content analysis mapped to the four evidence-based conceptual frameworks and presented in a table., Ethics and Dissemination: As the scoping review involves gathering and describing existing literature, it is exempt from ethical approval requirements. The findings of this scoping review will be presented at relevant local and international conferences and published in a peer-reviewed journal. The findings will also be disseminated and shared with professional organisations to enhance healthcare workforce capacity and drive systemic change. Furthermore, the findings will be used to inform doctoral work and future mental health and health education research related to underserved youth., Competing Interests: Competing interests: None declared., (© Author(s) (or their employer(s)) 2024. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.)