Breastfeeding Improves Brain Power

The question now is does breastfeeding make kids smarter or do smart moms breastfeed and transfer those genes to their babies? And why aren't girls impacted? It will be interesting to see how this plays out.

FROM NBC: Breastfeeding for six months or more could equal straight "A's" for kids. A study of more than one thousand ten year-olds in Australia finds boys who were breastfed for at least half a year had higher scores in math, reading and spelling.

There was a small reading advantage for girls. The researchers say the benefit remained even after they adjusted for gender, family income, and how often the child was read to. Researchers followed 2,868 children born in Australia from 1989-1992. After adjusting for gender, family income, and how often the child was read to, academic data was collected for 1,038 eligible children at 10 years of age.

Here's more from WebMD

FROM CNN: Many studies have shown that babies who are breastfed tend to be physically healthier than babies raised on cow's milk or formula. Now new research finds feeding your child naturally could help when it comes to academics later in life.

a study in the journal "pediatrics" found that babies who were mainly breastfed for the first six months of life scored higher academically when they got older, than children who were not breastfed.

the aim of this study was to examine the relationship between duration of breastfeeding, and educational outcomes.

Australian researchers looked at more than 28-hundred babies born between 1989 to 1992, and then collected academic data on half of the youngsters at age 10. Young boys who were breastfed for six months or longer were found to have higher academic scores in math, reading and spelling, than boys who were breastfed for shorter periods. In girls, the benefits were not as significant.

Study authors noted not only does the nutrition found in mother's milk help brain power, but a number of other things could be in play. According to investigators, mothers who choose to breastfed tend to have higher socioeconomic status and higher intelligence, and tend to be older and more educated, and that these factors could transfer to their children.

Researchers say the study adds to growing evidence that breastfeeding has beneficial effects on a baby's development.

-NewsAnchorMom Jen

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Breastfeeding Raises I.Q. Levels

Dr. Michael Kramer from the Montreal Children's Hospital did this breastfeeding study that I think you will find interesting. I would love to hear your thoughts!

Conclusion: These results, based on the largest randomized trial ever conducted in the area of human lactation,provide strong evidence that prolonged and exclusive breastfeeding improves children’s cognitive development.

Among the most consistently reported benefits of breastfeeding in developed country settings have been higher results on IQ tests and other measures of cognitive development among children and adults who had been breastfed compared with those who were formula-fed. A meta-analysis by Anderson et al1 in 1999 reported consistent IQ differences favoring breastfed over formula-fed infants, with most differences in the 2- to 5-point range.

Most of the studies included in the meta-analysis were observational in design and were carried out in subjects who were born healthy and at term, although a larger difference of 8 points was reported by Lucas et al2 in follow-up of a randomized trial in pre-term infants. Several of these studies demonstrated a clear dose-response relationship, with larger differences associated with longer durations of breastfeeding. With 1 recent notable exception,3 studies published since the meta-analysis have been entirely consistent with these results and conclusions. Despite the robustness of the reported findings, many observers remain unconvinced about the cognitive benefits of breastfeeding. As mentioned earlier, the evidence is based almost entirely on observational studies. The beneficial effect of breastfeeding is unlikely to be explained by the higher socioeconomic status of breastfeeding mothers because most studies have controlled sta- tistically for socioeconomic differences.

Some of the studies have even controlled for maternal IQ, with most studies reporting an attenuated but persistent and significant effect. On the other hand, the benefits are likely to be confounded by other, more subtle differences in the mother’s behavior or her interaction with the infant. These differences are extremely difficult to measure and virtually impossible to control for in observational studies. The solution to these methodological problems is a randomized controlled trial, but randomization to breast- feeding vs artificial feeding is infeasible and probably unethical. It is, however, both feasible and ethical to randomize the participants to a breastfeeding promotion intervention. One strategy would be to promote breastfeeding initiation, but most women decide whether to breastfeed early in or even before pregnancy and such a strategy is therefore difficult with regard to both timing and logistics. An alternative and more feasible strategy is to promote breastfeeding exclusivity and duration among those mothers who have already decided to initiate breastfeeding, with analysis by intention to treat.

Studies showing long-term epigenetic behavioral effects of licking and grooming by mother rats of their pups25 suggest that the physical and/or emotional act of breastfeeding might also lead to permanent physiologic changes that accelerate neurocognitive development. Finally, it is possible that the increased frequency and duration of maternal-infant contact implicit in breastfeeding vs bottle-feeding could increase verbal interaction between mother and infant, which might also have a stimulatory effect on cognitive development. Irrespective of the mechanism, our experimental results confirm the cognitive benefits of prolonged and exclusive breastfeeding reported in observational studies.

Although breastfeeding initiation rates have increased substantially during the last 30 years, much less progress has been achieved in increasing the exclusivity and duration of breastfeeding. Because protection against infections in developed country settings does not have the life-and-death implications for infant and child health that it does in less-developed settings, cognitive benefits may be among the most important advantages for breastfed infants in industrialized societies. The consistency of our findings based on a randomized trial with those reported in previous observational studies should prove helpful in encouraging further public health efforts to promote, protect, and support breastfeeding.

Correspondence: Michael S. Kramer, MD, The Montreal Children’s Hospital, 2300 Tupper St (Les Tourelles), Montreal, QC H3H 1P3, Canada (michael.kramer@mcgill.ca).

-NewsAnchorMom Jen