The Impact of DHA on Children’s Brain and Eyes

The Impact of DHA on Children’s Brain and Eyes
Nov 26, 2019

Did you know that there is incredible research to show that low levels of omega-3 fatty acids can lead to a deficit in brain and eye development? There is one omega-3 fatty acid that is especially significant called docosahexaenoic acid (DHA). It is an essential nutrient which means that the body cannot make it – it must come from food or supplement. And it has been found to make up 90% of the omega-3 fatty acids found in the brain [1]. Wow!

The Impact of DHA Intake on Brain and Eye Development

The significance of DHA in the diet starts from the moment of conception. Daily intake of foods and/or supplements that contain DHA by a woman during pregnancy help to form the brain and retina of a developing baby [1,2,3,4]. The amount a mom eats directly affects the amount her baby has access to (5). For moms that breastfeed, this transfer continues through breastmilk [1,2,3].

The benefit of DHA continues beyond the first few years of life. Demmelmair H., Oyen J., Pickert T., et al found that preschoolers showed improved cognitive skills when they consumed salmon (a rich source of DHA). We also know that once the foundation has been laid in the early years, continued intake of DHA helps to support cognitive function into grade-school years and beyond [1,5].

How Much DHA Do Children Need?

This is actually a more complicated question than it appears, and we do not have exact answers, so research continues [1,2,7]. That is the beautiful thing about the science of nutrition…it is on-going. But we do have the best estimates as part of the research that has been done with a goal range of 250-500 mg per day of combined DHA and EPA [1]. The Dietary Reference Intakes also have guidelines for the total amount of omega-3 fatty acids per day which can be found here. We also know that animal-based sources of omega-3 offer a more efficient access to DHA than plant-based ones. And we know that most people in North America are falling short of adequate intake of DHA [1].

Noelle Martin is a Registered Dietitian with a Master of Science in Foods and Nutrition. She is also a mom of three young boys. Noelle is founder and president of Registered Dietitian Services and co-founder of Nourished Beginnings. Noelle has a passion for educating and inspiring others in areas related to nutrition and overall health. Noelle specialized in areas of maternal and pediatric nutrition, sports nutrition, and food allergies/intolerances. In addition to her work in counselling and corporate presentations, Noelle thoroughly enjoys teaching courses at Brescia University College and has an active Instagram feed and blog dedicated to educating and inspiring moms to make healthy choices for themselves and their families in addition to sharing moments of motherhood, products, and family-friendly travel destinations.

This article was adapted from by Noelle Martin, MSCFN, RD.

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