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There are two main ways frailty is assessed. The first sees frailty as a physical syndrome marked by weakness, exhaustion, slow walking speed, unintentional weight loss and low physical activity. People with one or two of these features may be considered “pre-frail”, while those with several are considered frail. The second approach views frailty as the accumulation of health problems over time. In this model, chronic illnesses, mobility problems, memory difficulties, hearing or vision loss, poor nutrition and social isolation all contribute to a reduced ability to cope with a stressful event for the body, such as a fall, infection or hospital stay.