Breast milk 'does not boost IQ' Breastfed babies tend to be brighter Breastfed babies are smarter because their mothers are clever in the first place, not because of any advantage of breastfeeding itself, a study suggests. Researchers found breastfeeding mothers tend to be more intelligent, more highly educated, and likely to provide a more stimulating home environment.However, they stressed that there were still many advantages to breastfeeding. The British Medical Journal study was carried out by the Medical Research Council and University of Edinburgh. Lead researcher Geoff Der said: "This question has been debated ever since a link between the...