In discussing the causes of iron-deficiency anemia in children with a group of nurses, the following statements are made. Which of these statements is a misconception related to iron-deficiency anemia?

“Milk is a perfect food, and babies should be able to have all the milk they want.”

“Children have a hard time getting enough iron from food during their first few years.”

“A family’s economic problems are often a cause of malnutrition.”

“Caregivers sometimes don’t understand the importance of iron and proper nutrition.”