Causes of malnutrition include:
- Lack of specific nutrients in your diet. Even the lack of one vitamin can lead to malnutrition.
- An unbalanced diet
- Certain medical problems, such as malabsorption syndromes and cancers
Symptoms may include fatigue, dizziness, and weight loss. Or, you may have no symptoms. To diagnose the cause of the problem, your doctor may do blood tests and a nutritional assessment. Treatment may include replacing the missing nutrients and treating the underlying cause.
- Iodine Deficiency (American Thyroid Association) Also in Spanish
- Nutrition in Cancer Care (PDQ)-Patient Version (National Cancer Institute) Also in Spanish
- Pernicious Anemia (National Heart, Lung, and Blood Institute)
- Vitamin Deficiency Anemia (Mayo Foundation for Medical Education and Research) Also in Spanish
- ClinicalTrials.gov: Malnutrition (National Institutes of Health)
Journal Articles References and abstracts from MEDLINE/PubMed (National Library of Medicine)
- Article: Differences in RAAS/vitamin D linked to genetics and socioeconomic factors could...
- Article: Nonlinear association between blood lead and hyperhomocysteinemia among adults in the...
- Article: Association of Vitamin D Status and Other Clinical Characteristics With COVID-19...
- Malnutrition -- see more articles
- Preventing Malnutrition in Older Adults (American Academy of Family Physicians) Also in Spanish
- Senior Health: How to Prevent and Detect Malnutrition (Mayo Foundation for Medical Education and Research) Also in Spanish