Breastfed kids are smarter, and may make more money as adults

Researchers have found that even with one year of breastfeeding, an individual can gain 4 IQ points, more schooling and have a better income. Photo: Shutterstock

People breastfed as infants have higher intelligence scores in adulthood, and higher earnings, according to a study that tracked the development of 3,500 newborns over 30 years.

And, critically, the socio-economic status of mothers appeared to have little impact on breastfeeding results, according to a paper published by The Lancet medical journal.