DefinitionKwashiorkor is a form of malnutrition that occurs when there is not enough protein in the diet.Alternative NamesProtein malnutrition; Protein-calorie malnutrition; Malignant malnutritionCauses, incidence, and risk factorsKwashiorkor is most common in areas where there is:FamineLimited food supplyLow levels of education (when people do not understand how to eat a proper diet)This disease is more common in very poor countries. It often occurs during a drought or other natural disaster, or during political unrest. These conditions are responsible for a lack of food, which leads to malnutrition.Kwashiorkor is very rare in children in the United States. There are only isolated cases. However, one government estimate suggests that as many as 50% of elderly people in nursing homes in th