Edema appears when there is a severe lack of dietary protein because

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Edema is the result of fluid accumulation in extracellular spaces. This occurs when blood protein levels fall and fluid shifts from the blood vessels into the surrounding tissues due to decreased oncotic pressure. A severe lack of dietary protein can lead to this condition. Sodium retention in the body, increased vascular permeability to ions, and inability of the kidneys to concentrate urine can be contributing factors but are not the primary cause of edema in this scenario.

Edema Appears When There Is a Severe Lack of Dietary