Academic journal article Perspectives in Public Health

Breastfeeding Could Be Linked to Higher IQ

Academic journal article Perspectives in Public Health

Breastfeeding Could Be Linked to Higher IQ

Article excerpt

A long-term study conducted in Brazil has found a link between breastfeeding and intelligence, demonstrating that longer durations of breastfeeding are linked with increased intelligence in adulthood, longer schooling and higher adult earnings.

The study, a prospective, populationbased birth cohort study of neonates, was launched in 1982 in Pelotas, Brazil, with information about breastfeeding being recorded in early childhood. Most of the babies, irrespective of social class, were breastfed - some for less than a month and others for more than a year. Participants were given an IQ test at the average age of 30 years, and information on educational achievement and income was also collected. Those who were breastfed for longer scored higher on measures of intelligence as adults. They were also more likely to earn a higher wage and to have completed more schooling. …

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