| http://www.w3.org/ns/prov#value | - The lack of a standardized definition to identify frail older adults has slowed the study of the physiological basis of frailty, as has the inclusion of illness and disability in previous definitions.6,9 Frail older adults are most often recognized by a constellation of signs and symptoms including weight loss, muscle weakness, fatigue, declines in activity, and slow or unsteady gait.8,10 To arriv
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