INTELLIGENCE QUOTIENT DEVELOPMENT IN RELATION TO PHYSICAL GROWTH, DEVELOPMENT AND NUTRITIONAL STATE IN EARLY CHILDHOOD: A SYSTEMATIC REVIEW
Nilita Das, Debnath Choudhuri and Dr. Arnab Ghosh*
ABSTRACT
High prevalence of suboptimal physical growth and development and nutrition in young children and current limited knowledge of the effect on Intelligence Quotient (IQ) development, a systematic review of the subsequent association between physical growth-development and IQ development in early childhood is needed. Present study addresses the important knowledge gaps by systematically reviewing the current available literature on the relationship between physical growth and development with IQ development in early childhood (6 months to 12 years). We observed that birth weight, catch-up growth for undernourished, Height-for-age z score (HAZ), Weight-for-age z score (WAZ) and nutrition in early life (including breastfeeding and diet pattern) manifested a significant association with cognitive performance especially IQ score (grade, mathematical score, vocabulary test).
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