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What is the theory of frailty?

According to a meta-analysis, the prevalence of frailty among older adults can range widely, with one study reporting a pooled prevalence of 10.7% in community-dwelling adults, highlighting its status as a major public health challenge. The question of **what is the theory of frailty?** delves into the conceptual frameworks and biological underpinnings used to understand and define this complex geriatric syndrome.