Relationship between berry intake and frailty in the elderly and the mediating role of six blood markers: based on Chinese and American studies

BackgroundFrailty has become a major public health challenge with the acceleration of global aging. Berries are rich in bioactive components, but the mechanism and population-specific association with frailty is not clear.MethodsFor Chinese populations, data from hospitalized patients at Pidu District People’s Hospital during May–July 2024 were analyzed using the Frailty phenotype (FP) to evalu...