The methodology for selecting studies for this narrative review was rigorously designed to ensure relevance and comprehensive coverage of the topic. We identified the most pertinent health literacy research databases, including PubMed, Scopus, Web of Science, and PsycINFO. Our search strategy was crafted to capture a wide range of studies by employing a combination of keywords and MeSH terms such as “health literacy,” “adolescents,” “digital literacy,” “interactive learning,” and “mental health literacy. The search was extended to include grey literature and conference proceedings to ensure comprehensive coverage of unpublished studies and ongoing research efforts. We employed advanced search strategies that involved Boolean operators to refine and focus the search results. For instance, combinations such as “adolescents AND health literacy AND digital tools” were used to pinpoint studies that specifically addressed these intersecting themes.

The inclusion criteria were meticulously defined to focus on studies published in English from 2005 to 2024 to capture the most contemporary and relevant data. We included quantitative and qualitative research studies that focused specifically on the health literacy of adolescents. To ensure a comprehensive review, we considered studies that provided empirical data directly related to health literacy interventions, outcomes, and adolescent engagement with health literacy initiatives.

Exclusion criteria were applied to filter out studies that did not meet our thematic or demographic focus. These included studies on populations outside the adolescent age range (10–19 years), non-English language studies, and those that did not offer direct insight into health literacy, such as studies focusing solely on general education or unrelated health interventions.

We adopted a robust methodological quality assessment tool to ensure the credibility and reliability of the findings synthesized in this review. Each selected study was evaluated based on several criteria: clarity of research objectives, soundness of study design, appropriateness of the analytical methods, and the relevance and rigor of the conclusions drawn.

Two independent reviewers conducted the evaluations to minimize bias and enhance the objectivity of the analysis. Any discrepancies between reviewers were resolved through discussion or, if needed, consultation with a third expert reviewer. This dual-review process ensured that only studies meeting high standards of methodological rigor were included in our synthesis.

The data extraction and synthesis process were tailored to align with the review’s objectives. For each study, the critical information such as study design, population characteristics, interventions, and outcomes were measured, and these findings were systematically recorded. We employed a thematic synthesis approach, where data were categorized and analyzed according to the themes relevant to our review objectives, such as the effectiveness of digital tools, the impact of interactive learning, and approaches to mental health literacy.

The synthesis involved an iterative process of identifying patterns, relationships, and gaps across the selected studies. This allowed us to construct a narrative that addresses the initial research questions and highlights areas requiring further exploration. By integrating findings from diverse studies, we aimed to provide a comprehensive overview of the current state of adolescent health literacy, emphasizing innovative strategies and critical areas for future research. Table 1 provides a detailed summary of selected studies that have significantly contributed to our understanding of adolescent health literacy. These studies focus on various innovative approaches, ranging from the integration of digital technologies to interactive learning methods. This summary table highlights the critical aspects of each study, including methodologies, populations studied, and principal findings, offering a comprehensive glance at the diverse strategies employed to enhance health literacy among adolescents. Each study is also linked to its corresponding citation in the reference section for clarity and further reference.

The concept of health literacy extends beyond the essential ability to read and comprehend medical literature; it encompasses a range of skills including accessing, understanding, evaluating, and using health information to make appropriate health decisions (9). To structure our analysis, we adopt Nutbeam’s model of health literacy, which categorizes health literacy into three distinct levels: functional, interactive, and critical (10–12).

This model is the backbone for our review, providing a comprehensive framework to assess how adolescents interpret and act upon health messages and education in varying contexts.

In addition to Nutbeam’s model, our review integrates broader health literacy, including civic and cultural literacy. These frameworks are particularly pertinent, encompassing the social and cultural competencies required to navigate the increasingly global and digitally connected health information environment. Civic literacy, for instance, enhances understanding of one’s rights and responsibilities in health contexts, a crucial aspect as adolescents engage more frequently with health information through digital platforms (13, 14). Cultural literacy facilitates a deeper understanding of how health behaviors and communication are influenced by cultural norms, which is vital for designing culturally sensitive health literacy interventions (15, 16).

To deepen our understanding of health literacy among adolescents, we must integrate established health behavior theories that explain why and how individuals make health-related decisions. Two pivotal theories, the “Health Belief Model (HBM)” and the “Theory of Planned Behavior (TPB),” are particularly relevant in framing our discussion:

By integrating these theories with the health literacy model, our review will explore not only the direct impact of health literacy skills on adolescent health outcomes but also the sociopsychological processes that underpin these effects (23–25). This theoretical framework allows for a multidimensional analysis of the factors contributing to effective health literacy interventions. It highlights potential areas for targeted improvements in adolescent health education programs.

The integration of digital technologies in health literacy initiatives has shown significant promise in enhancing the accessibility and effectiveness of health education for adolescents (26–31). Studies consistently highlight that digital platforms, such as mobile apps, websites, and online games, cater effectively to the preferences of a tech-savvy generation (32–36). These tools not only facilitate the dissemination of health information but also enable interactive and personalized learning experiences (37–41). For instance, mobile health applications have been found to improve adolescents’ engagement with health monitoring and management tasks, particularly in areas such as diabetes self-care and mental health tracking (42–45). Virtual and augmented reality (AR) applications are also emerging as potent tools for simulating real-life scenarios, thereby allowing adolescents to practice decision-making in a risk-free environment (46–50).

Interactive learning methodologies, including problem-based learning, role-playing, and simulation-based activities, have been extensively documented for their efficacy in improving health literacy among adolescents. Such methodologies encourage active learning and critical thinking, which are essential for the practical application of health-related knowledge (51–54). For example, role-playing scenarios that mimic doctor-patient interactions can enhance understanding and retention of information related to sexual health and substance abuse prevention (55–57). Interactive workshops that involve peer discussions and collaborative problem-solving have been shown to effectively increase knowledge and change attitudes toward complex health issues such as nutrition and physical activity (58–60).

Interactive learning methods, such as problem-based learning and peer-led discussions, enhance health literacy and promote broader educational outcomes. These methodologies support critical thinking and problem-solving skills, which are essential in the holistic development of adolescents (7, 61). By engaging in these active learning processes, adolescents not only learn to apply health-related knowledge in practical contexts but also develop key skills that aid their academic and personal growth (2, 62). Such dynamic educational experiences prepare adolescents to face complex real-world challenges more effectively (63).

The literature increasingly recognizes mental health literacy as a crucial component of overall health literacy (8, 64, 65). Mental health literacy encompasses the ability to recognize, manage, and prevent mental health disorders, which is especially critical during adolescence, a peak period for the onset of mental health issues. Educational programs that explicitly focus on mental health literacy, such as those teaching about depression recognition and coping mechanisms, have demonstrated success in reducing stigma and improving help-seeking behaviors among adolescents (66–71). School-based mental health interventions are increasingly recognized for their crucial role in promoting mental health literacy and well-being among students. Collectively, these studies underscore the multifaceted approaches and significant benefits of school-based mental health interventions, advocating for their widespread implementation to foster better mental health outcomes for young individuals (72–76).

Social media and peer education represent two pivotal areas in the dissemination of health literacy. Social media platforms extend the reach of health information campaigns and enable peer-to-peer learning dynamics that are influential among adolescents (77–81). Similarly, peer education programs leverage the influence of adolescent social networks to promote healthy behaviors and literacy (82–87). These programs, when well-designed, harness the credibility that peers hold among their groups, significantly impacting attitudes toward health behaviors such as smoking and exercise (88–98). Overall, the literature underscores the transformative potential of digital technologies, interactive learning, mental health literacy, and peer-led initiatives in enhancing health literacy among adolescents. These findings suggest a multifaceted approach to health literacy education, where traditional educational methods are supplemented with innovative strategies that align with the interests and behaviors of present-day youth. Such interventions not only provide personalized health information but also engage users in active learning through interactive features, which have been shown to improve knowledge retention and self-care behaviors significantly.

The findings from this review reveal several key implications for the design and implementation of health literacy programs aimed at adolescents. First, the effective use of digital technologies suggests a shift toward more interactive and technology-driven health education. Given the ubiquity of smartphones and Internet access among adolescents, digital platforms offer a valuable medium for delivering personalized, engaging, and timely health information (99). Interactive learning methodologies such as simulations and role-playing can significantly enhance understanding and retention of health information by making learning contextual, practical, and relatable (100).

The emphasis on mental health literacy reflects an urgent need to integrate mental health education into broader health literacy frameworks. This integration is crucial not only for improving adolescents’ ability to manage and prevent mental health issues but also for reducing the stigma associated with these conditions (101, 102, 114). Implementing comprehensive mental health literacy programs within schools could play a pivotal role in early identification and intervention, potentially altering life trajectories in a positive manner (103).

The role of social media and peer education highlights the importance of leveraging social networks and peer influence in health literacy interventions. These platforms and approaches can be particularly effective in spreading health-related messages and fostering normative behavior change, especially in areas where adolescents may feel more comfortable receiving and discussing information among peers (104, 105).

The role of family dynamics in shaping adolescent health literacy is crucial. Parents and guardians not only influence health behaviors but also mediate the access and use of digital tools for health education. Integrating health literacy tools into family settings can enhance communication about health and encourage collective family engagement in healthy behaviors. Programs designed to improve health literacy should, therefore, include components that facilitate parent–child interaction over digital platforms, ensuring that health literacy development is a collaborative family effort (106).

Furthermore, socioeconomic factors significantly influence health literacy levels among adolescents. Disparities in access to digital resources can exacerbate existing inequalities, limiting the effectiveness of digital health literacy interventions. To address this, health education programs must incorporate strategies that are accessible across diverse socioeconomic groups. This includes providing low-cost, high-reach digital solutions and ensuring that health literacy resources are available in multiple formats to cater to varying levels of digital access and literacy (107, 108).

While the reviewed studies provide valuable insights, they also exhibit several limitations that should be considered. Many studies rely on self-reported data, which can introduce bias and may not accurately reflect actual health literacy levels or behaviors. There is also a lack of longitudinal studies that examine the long-term impacts of health literacy interventions, making it difficult to assess the sustainability of outcomes. The diversity of study designs and measurement tools across the research also poses challenges in comparing results and drawing generalizable conclusions. Many studies do not account for cultural, socioeconomic, and geographic variables that can significantly influence health literacy and behavior among adolescents.

While digital tools offer innovative ways to enhance health literacy, they also present challenges, such as the spread of misinformation and the risk of widening the digital divide. As adolescents increasingly turn to online sources for health information, they may encounter unreliable or misleading content. It is crucial, therefore, for health literacy programs to include critical thinking skills as part of their curriculum, teaching adolescents to evaluate the credibility of online information critically. Interventions should also be designed to be inclusive, ensuring that disadvantaged populations are not left behind in the digital health literacy landscape.

This review contributes to the existing literature by synthesizing and highlighting the multifaceted nature of health literacy among adolescents. It expands the understanding of how digital tools and interactive learning environments can be effectively utilized to enhance health literacy. The review also brings mental health literacy to the forefront, advocating for its inclusion as a standard part of health education curricula. By integrating insights from both traditional and innovative educational practices, this review provides a comprehensive perspective on the current state of adolescent health literacy and suggests practical directions for future research and program development.

Overall, this discussion underscores the complexity of health literacy education for adolescents and suggests that a multidimensional approach, which incorporates digital innovation, interactive learning, and peer influence, is likely to be most effective in meeting the health education needs of this demographic. By addressing these aspects, stakeholders can better equip adolescents with the necessary skills to navigate their health throughout their lives.

The evolving landscape of adolescent health literacy suggests several key areas for future research. One critical area is the longitudinal evaluation of health literacy interventions to assess their long-term effectiveness and sustainability. This approach would provide valuable insights into how changes in health literacy impact health behaviors and outcomes over time.

Further research is also needed to explore the differential impacts of health literacy interventions across diverse adolescent populations. Studies should consider variables such as socioeconomic status, cultural background, and existing health conditions, which can influence the effectiveness of different health literacy strategies. There is a need to investigate the integration of health literacy into broader educational curricula, examining how subjects such as science, physical education, and social studies can be leveraged to enhance health literacy.

Another important research area involves the development and validation of tools to measure health literacy more accurately and comprehensively among adolescents. This includes the creation of culturally sensitive and age-appropriate assessment tools that can capture the nuances of health literacy in a digital age.

The findings from this review also highlight the potential for innovative interventions that utilize new technologies and methodologies to enhance health literacy among adolescents. For example, gamification and virtual reality offer exciting opportunities for creating engaging and immersive learning experiences that could significantly improve understanding and retention of health information.

Social media platforms represent another fertile ground for health literacy interventions. Future interventions could harness these platforms to deliver tailored health messages, facilitate peer-to-peer education, and create communities of practice that encourage healthy behaviors. There is potential to explore how machine learning and artificial intelligence could be employed to personalize health education content based on individual learning styles and preferences.

The influence of community and social networks on adolescent health literacy is profound. Community-based health literacy programs that leverage these networks can enhance the reach and effectiveness of interventions. For example, integrating health literacy projects within community centers and schools can create supportive environments that reinforce the lessons learned through digital and interactive methods. By involving community leaders and peers in these initiatives, programs can harness the inherent trust and communication patterns within these networks, leading to more sustainable health behavior changes.

Innovative interventions could also look at family-based or community-driven health literacy programs that involve parents, caregivers, and local community members. These programs could help reinforce health literacy skills taught in schools and create supportive environments for adolescents to practice and apply these skills in real life.

The integration of mental health literacy into general health education programs is another area ripe for innovative approaches. Programs that address mental health stigma teach coping and resilience skills and provide resources for mental health support need to be developed and tested for their effectiveness within school and community settings.

To ensure the effectiveness of health literacy interventions, robust evaluation methods are essential. These methods should not only assess immediate outcomes but also track long-term behavior changes and health outcomes. For instance, incorporating longitudinal studies into program evaluations can provide insights into the persistence of health literacy skills and their impact over time. Moreover, using a mix of qualitative and quantitative assessment tools can help in understanding both the depth and breadth of the impact of these interventions, facilitating continuous improvement and adaptation.

Addressing the digital divide is critical in ensuring that health literacy interventions do not inadvertently exclude underprivileged segments of the adolescent population. Strategies to mitigate this divide include offering multilingual content, ensuring that digital tools are accessible on low-cost mobile platforms, and providing offline access to critical health literacy content. Creating inclusive content that reflects the diverse cultural, socioeconomic, and personal contexts of adolescents can promote greater engagement and relevance of health literacy tools.

Overall, the future of research in adolescent health literacy should aim not only to fill the gaps identified in current literature but also to innovate and test new methods that can adapt to the changing ways adolescents interact with information and technology. By addressing these areas, researchers and practitioners can better equip future generations with the necessary tools to manage their health effectively.

This review has illuminated several key aspects of health literacy among adolescents, emphasizing the crucial role that emerging technologies and interactive methodologies play in enhancing educational outcomes. The integration of digital tools has proven especially effective, offering personalized and accessible health information that resonates with the tech-savvy nature of today’s youth. Interactive learning methodologies such as simulations and role-playing have been shown to significantly increase engagement and retention of health-related knowledge, providing practical skills that adolescents can apply in real-life contexts.

Mental health literacy emerged as a critical component, with educational initiatives that include mental health components demonstrating effectiveness in reducing stigma and improving help-seeking behaviors among adolescents. The impact of social media and peer education highlights the power of peer influence and the potential of these platforms to disseminate health information effectively and foster healthy behavioral changes.

Based on the findings of this review, the following recommendations for evidence-based practices in adolescent health literacy are outlined:

By following these recommendations, stakeholders in adolescent health can develop more effective programs that not only improve health literacy but also empower young individuals to make informed health decisions. As our understanding of the best practices in health literacy advances, continuous evaluation and adaptation of these recommendations will be crucial to their success, ensuring they remain relevant and impactful in a rapidly changing world.