Occupational and Socioeconomic Stress as Primary Health Determinants: A Clinical and Neurobiological Review

Objectives To synthesize evidence on neurobiological mechanisms, clinical outcomes, and policy interventions related to occupational and socioeconomic stress as primary health determinants. Methods A narrative review was conducted synthesizing evidence from PubMed, MEDLINE, and Cochrane databases (1990-2024) focusing on meta-analyses and systematic reviews. Search terms included allostatic load, occupational stress, job strain, work-related disease, cardiovascular outcomes, and mental health. Meta-analytic evidence was prioritized for robust effect estimates. Results Allostatic load demonstrates dose-dependent associations with health outcomes. Meta-analyses of >600,000 participants show job strain is associated with 23% increased coronary heart disease risk. Long working hours (≥55 hours/week) are linked to 33% increased stroke risk and 13% increased coronary heart disease risk. Chronic stress correlates with hippocampal atrophy, impaired prefrontal function, elevated inflammatory markers, and 2.5-fold increased depression risk. Work-related stress is associated with over $300 billion annually in U.S. healthcare costs and lost productivity. Conclusions Occupational and socioeconomic stressors demonstrate robust associations with adverse health outcomes through well-characterized neurobiological pathways. Effect sizes rival traditional risk factors. Evidence-based interventions from international comparisons suggest potential effectiveness of structural workplace modifications.