A study of 4- to 5-year-old children in Spain found that participants who were breastfed as infants, for 1 to 8 months, tended to have better cognitive abilities compared to their peers who were not breastfed. These children had higher IQs, better working memory, nonverbal abilities, and cognitive proficiency. The effects persisted even after adjusting for the mother’s IQ and mother-infant attachment difficulties. The research was published in the International Journal of Early Childhood. Human breast milk is the optimal food for infants, not only because it contains a variety of nutrients, bu…
