Breastfed Babies Have Higher IQ, Income
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2015/03/19 01:22
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Liberty Times March 19, 2015 International News Center / Comprehensive Report
A study published in the medical journal *The Lancet* on the 18th indicates that babies who are breastfed tend to have higher IQs, achieve higher levels of education, and earn higher incomes as adults. The longer the duration of breastfeeding, the more pronounced these benefits become. Experts suggest that the advantages of breastfeeding may stem from DHA, an unsaturated fatty acid in breast milk that is crucial for brain development.
Dr. Bernardo Lessa Horta from the Federal University of Pelotas in Brazil studied 3,493 individuals born in Pelotas in 1982, comparing the duration of their breastfeeding with their educational attainment, income, and IQ test scores at age 30.
**Breastfeeding for One Year vs. One Month Leads to a Future Monthly Salary Increase of 3,000 NT**
The results showed that those who were breastfed had higher intelligence. Those breastfed for at least one year as infants scored 4 points higher on IQ tests, achieved 0.9 more years of education, and earned 341 Brazilian reals (approximately 3,300 NT) more per month compared to those breastfed for less than a month.
Previous research has suggested that breastfeeding influences children's intelligence and brain development, with breastfed babies being less prone to asthma, respiratory infections, allergies, and other health benefits later in life. However, whether these advantages persist into adulthood, and whether maternal socioeconomic status or education plays a more critical role than breastfeeding, had not been thoroughly studied.
**Highly Educated Women Do Not Breastfeed at Higher Rates**
Horta’s study is the first to confirm that prolonged breastfeeding not only enhances a child’s intelligence until at least age 30 but also improves their educational attainment and earning capacity. Horta also noted that this study is unique because, contrary to past assumptions that more highly educated women breastfeed, the research found no significant difference in breastfeeding rates among women of varying education and income levels—rates were roughly equal across social strata.
Horta stated that the cognitive benefits of breastfeeding may lie in DHA, an unsaturated fatty acid in breast milk that is vital for brain development.
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