The longer a mother breastfeeds, the more impact she has on her baby's brain development, according to new research published in JAMA Pediatrics. The New York Times has more on the study, which was conducted by researchers from Harvard Medical School:
For each additional month a baby was breast-fed, verbal ability was higher at age 3, and verbal and nonverbal I.Q. scores were higher at age 7, the study concluded. The researchers accounted for factors like the mothers' intelligence and employment, home environment and child care.
"One of the theories as to why breast-fed children tend to have better cognitive development is there are nutrients in breast milk that benefit the baby's developing brain," said Dr. Mandy Brown Belfort, a neonatologist at Boston Children's Hospital and lead author of the study.
"Our results support policies that allow women to continue breast-feeding through a year of their child's life to optimize brain development," Dr. Belfort said.
Image: Breastfeeding mother, via Shutterstock