All about fruitarianism with a long-term fruitarian, Lena

Undernutrition is a form of malnutrition. (Malnutrition also includes overnutrition).

Undernutrition can result from:

  • inadequate ingestion of nutrients,
  • malabsorption,
  • impaired metabolism,
  • loss of nutrients due to diarrhea,
  • increased nutritional requirements.

Undernutrition progresses in stages: it may develop slowly when it is due to anorexia or very rapidly. First, nutrient levels in blood and tissues change, followed by intracellular changes in biochemical functions and structure. Ultimately, symptoms and signs appear. Diagnosis is by history, physical examination, body composition analysis, and sometimes laboratory tests. 

Undernutrition from micronutrient deficiencies, or "hidden hunger", affects over 2 billion people globally and can lead to reduced growth and cognitive development, birth defects, blindness, and overall poor health. Vitamin A deficiencyiron deficiency anaemia and iodine deficiency disorders are among the most common forms of micronutrient malnutrition. 

John Stuart Mill

A person may cause evil to others not only by his actions but by his inaction, and in either case he is justly accountable to them for the injury.

Protein Deficiency

Protein deficiency rarely occurs as an isolated condition. It usually accompanies a deficiency of dietary energy and other nutrients resulting from insufficient food intake.

Deficiency of this severity is very rare in the United States, except as a consequence of pathologic conditions.

The symptoms are most commonly seen in deprived children in poor countries:

  • stunting,
  • poor musculature,
  • edema,
  • thin and fragile hair,
  • skin lesions
  • hormonal imbalances.

Edema and loss of muscle mass and hair are the prominent signs in adults. 

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