Babies who were breast-fed for at least 12 months have higher IQs and could earn an extra £200,000 in their lifetime compared with bottle-fed youngsters, scientists have suggested. Researchers followed 3,500 infants for 30 years, recording how long they spent in education, their employment and earnings and their level of intelligence. They found that breastfeeding was crucial for setting children on the path to success. Those who were breast-fed for a year or more scored on average four IQ points higher on tests than those breast-fed for under one month.
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