Ji and colleagues propose environmental health resilience as a distinct framework in which features such as green space, age-friendly urban design and climate-resilient infrastructure act as modifiers of exposure–response relationships rather than simple independent risk factors. Under this model, identical pollutant or heat burdens produce divergent aging trajectories depending on the protective capacity of the surrounding environment. The framework positions exposure reduction and resilience-building as complementary levers for extending healthspan at the population level.
Key Points
- Green space and age-friendly design modify exposure–response curves, not just risk
- Identical environmental burdens yield divergent aging trajectories across populations
- Framework targets healthspan equity through combined exposure reduction and resilience building
Longevity Analysis
Individual-level longevity interventions operate against a background of environmental exposure that is unevenly distributed and largely outside personal control. Treating resilience features as effect modifiers clarifies why pollution, heat and built-environment deficits accelerate biological aging more severely in some populations than others, and identifies urban planning and infrastructure as determinants of healthspan alongside diet, exercise and pharmacology. For clinicians, it reframes residential environment as a modifiable component of a patient's aging risk profile.
Original published by Nature Aging, by John S. Ji.