Cachexia

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Cachexia ( ) is a syndrome that occurs in people with certain illnesses, causing muscle loss that cannot be fully reversed with improved nutrition. It most commonly occurs in cases of cancer, congestive heart failure, chronic obstructive pulmonary disease, chronic kidney disease, and AIDS. These conditions change how the body handles inflammation, metabolism, and brain signaling. This can lead to muscle loss and other harmful changes to body composition over time. Unlike weight loss from inadequate caloric intake, cachexia mainly causes muscle loss and can happen with or without fat loss. Diagnosis of cachexia is difficult because there are no clear guidelines, and its occurrence varies from one affected person to the next. Like malnutrition, cachexia can lead to worse health outcomes and lower quality of life. The prognosis of patients with cachexia varies depending on the type and severity of the underlying illness, but is typically poor, especially with patients in late stages of disease...

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