Longer Duration of Breast-feeding Improves Immunity, Intelligence


NEW YORK (MedscapeWire) May 08 —

Longer duration of breast-feeding reduces the risk of respiratory infections and improves adult intelligence, according to the results of a study presented at the 2002 Pediatric Academic Societies and American Academy of Pediatrics (AAP) annual joint meeting in Baltimore, Maryland, and another study published in the May 8 issue of The Journal of the American Medical Association. These findings support the AAP recommendation of exclusive breastfeeding for 6 months. “Infants fully breast-fed for 6 months had a significantly lower risk for respiratory infections in the first 2 years, when compared with babies who were fully breast-fed for 4 months,” presenter Caroline J. Chantry, from the University of California-Davis School of Medicine, says in a news release. “Specifically, the chance of contracting pneumonia was reduced fivefold with 2 additional months of full breast-feeding while the risk of recurrent ear infections was minimized twofold.” Chantry’s group analyzed data on 2277 children aged 6 to 24 months from NHANES III, a nationally representative, cross-sectional survey conducted from 1988-1994. After adjustments for age, birth weight, ethnicity, poverty, two-parent household, parental education, family size, child care, and prenatal smoke exposure, those infants with 6 months of full breast-feeding had significantly fewer episodes of pneumonia and recurrent otitis media than did infants with only 4 months of full breast-feeding.

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