Food provides the energy and nutrients you need to be healthy. If you don't get enough nutrients -- including proteins, carbohydrates, fats, vitamins, and minerals - you may suffer from malnutrition.
Causes of malnutrition include:
Symptoms may include fatigue, dizziness and weight loss, or you may have no symptoms. Your doctor will do tests, depending on the cause of your problem. Treatment may include replacing the missing nutrients and treating the underlying cause.
References and abstracts from MEDLINE/PubMed (National Library of Medicine)