A long-term study has pointed to a link between breastfeeding and intelligence.
The research in Brazil traced nearly 3,500 babies, from all walks of life, and found those who had been breastfed for longer went on to score higher on IQ tests as adults.
Experts say the results, while not conclusive, appear to back current advice that babies should be exclusively breastfed for six months.
Regarding the findings – published in The Lancet Global Health – they stress there are many different factors other than breastfeeding that could have an impact on intelligence, although the researchers did try to rule out the main confounders, such as mother’s education, family income and birth weight.
Breast milk may offer an advantage because it is a good source of long-chain saturated fatty acids which are essential for brain development.
But experts say the study findings cannot confirm this and that much more research is needed to explore any possible link between breastfeeding and intelligence.
Exclusive breastfeeding for around the first six months of life provides health benefits to babies.
It is important to note that breastfeeding is one of many factors that can contribute to a child’s outcomes, however this study emphasises the need for continued and enhanced breastfeeding promotion so expectant mothers are aware of the benefits of breastfeeding.