Skilled nursing facility An institution that primarily provides skilled nursing care and related services for residents who require medical or nursing care; rehabilitation services for the rehabilitation of injured, disabled, or sick persons; or, on a regular basis, health-related care and services to individuals who because of their mental of physical condition require care and services, above the level of room and board, which can be made available to them only through institutional facilities.

Tertiary prevention Prevention of disability, poor quality of life, and death in persons with advanced stages of a disease.

Wasting Unintentional loss of weight, including both fat and fat-free components. Experience in the human immunodeficiency virus epidemic suggests that wasting is driven largely by inadequate dietary intake.

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