Corresponding author: Junchul Shin Tel +82-10-4865-6924 E-mail The world is facing an unprecedented public health crisis. Non-communicable diseases (NCDs) — cardiovascular disease, stroke, type 2 diabetes, chronic respiratory disease, cancer, dementia, and sarcopenia — account for the majority of global mortality and disability, and their burden continues to grow as populations age and physical inactivity rises [1]. Physical inactivity alone is estimated to cause 6–10% of major NCDs and contributes to millions of premature deaths each year [2]. Healthcare systems built around treatment rather than prevention are buckling under the weight. In this landscape, exercise science is not a niche discipline; it is one of the most consequential fields for shaping population health strategy [3]. Unlike pharmacological interventions that target single pathways, physical activity acts simultaneously across multiple physiological systems — improving cardiovascular function, enhancing metabolic regulation, preserving muscle mass and cognitive function, and modulating immune and inflammatory responses [4]. This multi-system effect makes exercise science uniquely positioned to contribute to public health: the questions we investigate are not narrow academic problems but levers for population-level disease prevention and management.
Our journal’s mission reflects this reality. We publish across the full breadth of exercise science — from molecular and cellular biology examining how muscle adapts and degenerates at the subcellular level, to epidemiology identifying how physical activity interacts with genetic susceptibility to shape disease risk, to clinical intervention studies testing exercise protocols in patient groups, and to applied research informing athletic performance and rehabilitation practice. This diversity is not a lack of focus; it is the field’s greatest strength, because the grand challenges in public health cannot be solved from a single level of analysis. The mechanistic work provides the biological rationale; the epidemiological work defines who is at risk and why; the clinical work demonstrates what interventions work and for whom; and the applied work extends findings into real-world settings where people live, move, and age.
As a journal, we are committed to strengthening this broad spectrum. Exercise science must speak not only to itself but to public health policy, clinical practice, and the communities most affected by inactivity-related disease. The field has the evidence and the tools [4]; the challenge now is to ensure that knowledge generated in laboratories and trials reaches the populations that need it most.
CONCLUSION
The public health challenges of the 21st century cannot be solved by any single discipline. Exercise science, spanning molecules to populations, is uniquely equipped to combat the global NCD epidemic. Translating this evidence into impact requires concrete pathways: public health policymakers should embed physical activity guidelines and validated fitness screening into national NCD strategies and community health programs, while clinical practitioners should integrate exercise assessment and prescription into routine patient care. Several future directions will be critical — precision exercise prescription informed by genetics and biomarkers, scalable digital health interventions, and stronger implementation research bridging trials and practice. We anticipate that exercise science will assume an increasingly central role in global health strategy, and our journal remains committed to generating and translating the evidence underpinning this transition.
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