Frailty is a research area within gerontology and geriatrics that focuses on understanding and assessing the physical, cognitive, and psychological decline in older adults. Frailty is characterized by vulnerabilities that increase the likelihood of adverse health outcomes, such as falls, hospitalization, disability, and mortality. Researchers in this field study the causes, risk factors, and consequences of frailty, as well as interventions to prevent or manage frailty in older adults. The goal of frailty research is to improve the quality of life and health outcomes for older adults by identifying and addressing factors that contribute to frailty.