Frailty is a complex geriatric syndrome characterized by decreased physiological reserve capacity,decreased physiological function and increased susceptibility to stressful events.As an important external factor of frailty,environmental exposure has gradually become a research hotspot.This article aims to review the effects of environmental exposures on frailty and explore the main environmental exposure factors and their mechanisms,epidemiology,intervention strategies,and future research directions,so as to provide more scientific basis for early identification and intervention of frailty.
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