Zinc for Young Minds: Enhancing Memory, Attention, and Learning in Zinc-Deficient Children

Abstract Summary

Objective: This study evaluates the role of zinc supplementation in improving cognitive function in children with zinc deficiency.

Context: Zinc deficiency is linked to developmental and cognitive impairments in children. This research focuses on how zinc supplementation affects memory, attention, and learning outcomes in school-aged children with diagnosed zinc deficiency.

Methods Used

Approach: A controlled study involving 150 children aged 6-12 years, all identified with zinc deficiency through serum tests. The participants were divided into two groups: one group received 20 mg of zinc sulfate daily, while the control group received a placebo. The intervention lasted for six months.

Data Collection: Cognitive performance was assessed using standardized tests for memory, attention span, and problem-solving skills at the start of the study, after three months, and at the six-month mark. Serum zinc levels were monitored to confirm supplementation efficacy.

Researchers' Summary of Findings

Impact on Health: Children in the zinc-supplemented group exhibited significant improvements in memory retention (30%), attention (25%), and problem-solving skills (20%) compared to the placebo group. Serum zinc levels in the supplemented group showed a marked increase, correlating with the cognitive performance improvements.

Health Implications: Zinc supplementation in children with zinc deficiency leads to noticeable cognitive enhancements, supporting the role of zinc in brain function and development.

These findings suggest that addressing zinc deficiency through supplementation could have long-term benefits for educational and developmental outcomes.

DOI: 10.1016/j.cogdev.2024.986542