LONDON — Breast-fed children are more intelligent than their bottle-fed counterparts, but this has nothing to do with the content of the milk they receive, a study published in the British Medical Journal said.
For decades scientists have been looking for a correlation between feeding and intelligence, but the report says genetic and environmental factors affect a child's intellect.
Researchers, who analyzed data from more than 5,000 children and 3,000 mothers in the United States, found that mothers who breast-feed tend to be more intelligent, according to a study published Wednesday on the journal's Web site.
"When this fact was taken into account, most of the relationship between breast-feeding and the child's intelligence disappeared,"said Jeff Dar, one of the report's authors.
"This research shows that intelligence is determined by factors other than breast-feeding,"
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