Final answer:
Kwashiorkor occurs in children in developing countries when they are weaned from breastfeeding. It is a severe protein deficiency illness that can lead to serious health consequences.
Step-by-step explanation:
Kwashiorkor is a severe protein deficiency illness that occurs most often in children in developing countries, typically when they are weaned from breastfeeding.
It is characterized by symptoms such as tiredness, skin problems, weak muscles, swollen bellies and feet.
Without enough protein in their diets, these children may die or suffer from developmental issues.