Vitamin D during pregnancy boosts the cognitive capacities of children according to a large American study

Remarkable cognitive performance in children exposed in utero – Vitamin d during pregnancy boosts

The team led by. Furthermore, Melissa Melough from the University of Delaware carefully analyzes data from the Echo study (Environmental Influences on Child Health Outcomes). For example, Children aged seven to twelve years whose mothers displayed high rate of vitamin D During gestation significantly surpass their. Moreover, peers during standardized assessments. However, These evaluations precisely measure memory, attention and problem solving capacities.

Research, published in The American Journal of Clinical Nutrition, is based on blood tests carried out during pregnancy. Meanwhile, Scientists take care to adjust their results according to several determining factors : level of maternal education. Nevertheless, conditions of the district of residence, age and sex of the child. Consequently, the association between prenatal vitamin D and cognitive development appears independent of these confusing variables.

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African-American populations particularly affected by profits – Vitamin d during pregnancy boosts

Investigation reveals a particularly marked correlation between Vitamin D supplementation and cognitive improvement within black American families. Paradoxically, these same communities have the most alarming deficiency rates. Eighty percent of African-American pregnant women suffer from deficiency, against a third only from all American pregnant women.

The melated pigmentation largely explains this physiological disparity. Melanin considerably reduces the skin capacity to synthesize vitamin D under the action of solar rays. On the other hand, people living in Nordic climates or regularly using sunscreen protections also have increased risks deficiency. These data suggest that targeted supplementation could reduce racial inequalities in cognitive development.

A major gap between real recommendations. needs

Current nutritional directives recommend a daily consumption of six hundred international units for pregnant women. Nevertheless. the study reveals vitamin d during pregnancy boosts that doses included among a thousand and two thousand units often prove to be necessary to correct existing deficiencies. The average American food provides only one hundred and sixty-eight units per day, a largely insufficient quantity.

Many prenatal vitamins Available on the market only offer four hundred units, creating a persistent deficit. Natural food sources remain limited: fatty fish, egg yolks and specific fungi. Products enriched like milk or cereals partially complete these contributions, without guaranteeing optimal levels For all pregnant women.

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Promising prospects but causal evidence to be confirmed

Although the association between prenatal vitamin D and cognitive development appears robust, researchers insist on the need to establish a Direct causal relationship. Only controlled randomized trials, considered as the gold research stallion, will be able to definitively confirm vitamin d during pregnancy boosts these observations. Such studies will also determine concentrations optimales to be maintained during pregnancy.

The long -term implications of this discovery are considerable. Previous research establishes links between high infant cognitive performance. better memory in adulthood, preserved reasoning capacities and prolonged life expectancy. Thus, a simple and economical intervention during pregnancy would be enough to generate lasting profits over several decades.

In addition, this research is part of a series of investigations carried out by the same team. Their previous work had already highlighted correlations between prenatal vitamin D. high intellectual quotient in early childhoodas well as a reduction in behavioral disorders. What consolidate the hypothesis of a fundamental role of this nutrient in fetal neurological development.

SOURCE : ScienceAlert