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Merck Manual
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Nutritional Disorders
Undernutrition
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Overview of Undernutrition
General reference
Risk Factors for Undernutrition
Infancy and childhood
Pregnancy and breastfeeding
Older adults
Disorders and medical procedures
Vegetarian and vegan diets
Fad diets
Medications and nutritional supplements
Alcohol or substance dependency
Risk factor references
Symptoms and Signs
Evaluation
History
Physical examination
Testing
Evaluation references
More Information
Protein-Energy Undernutrition (PEU)
General references
Classification and Etiology
Primary PEU
Secondary PEU
Pathophysiology
Symptoms and Signs
Symptoms and signs references
Diagnosis
Treatment
Children
Adults
Complications of treatment
Treatment reference
Prognosis
Children
Adults
Key Points
Essential Fatty Acid Deficiency