Vitamin B12: Infants' Brain Growth at Risk

A recent study from PGI's Advanced Paediatrics Centre underscores the vital role of Vitamin B12 in infant brain development. Published in Pediatric Neurology, the research indicates that deficiency in this essential nutrient can lead to developmental delays and potentially lasting impacts on intellect and learning. Early intervention is stressed as crucial for maximizing reversibility of these effects.

The study highlights that Vitamin B12 is indispensable for red blood cell formation, DNA synthesis, and nervous system maintenance, particularly supporting myelin production for efficient nerve signaling. This is especially critical during an infant's first year of rapid brain growth, cognitive development, and motor skill acquisition.

In India, where vegetarianism is prevalent, Vitamin B12 deficiency poses a significant nutritional challenge. Lacto-vegetarian diets often provide insufficient B12. Exclusively breastfed infants of deficient mothers are at particular risk beyond six months, as their brain growth support is poor. This deficiency is not solely poverty-driven, affecting middle-class families too.

Infantile B12 deficiency symptoms can include poor developmental milestones, lethargy, and anemia. More severe cases may present with skin darkening and tremors. Nearly 60% of affected babies show impaired brain volume. Addressing this deficiency, even through simple B12 supplements, is presented as a preventable measure against mental subnormality.