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  • Title: Catch-up growth does not associate with cognitive development in Indian school-age children.
    Author: Sokolovic N, Selvam S, Srinivasan K, Thankachan P, Kurpad AV, Thomas T.
    Journal: Eur J Clin Nutr; 2014 Jan; 68(1):14-8. PubMed ID: 24169458.
    Abstract:
    BACKGROUND/OBJECTIVES: Stunting is significantly associated with lifetime morbidity and poorer cognitive outcomes in children. Although several studies have examined the relationship between stunting, catch-up growth and cognitive performance in young populations, this relationship has not yet been explored in school-aged children. In this study, we used data from three different nutritional intervention studies conducted over a 4-year period on school-age children in Bangalore, India to assess these relationships. SUBJECTS/METHODS: A battery of cognitive tests was conducted before each intervention to determine whether stunting status at baseline was related to cognitive performance across four separate domains, and repeated after a 6-month period to assess whether changes to stunting status is related to cognitive advancement. RESULTS: Results of independent t-tests showed that while stunted children had significantly poorer performance on short-term memory, retrieval ability and visuospatial ability tests (P=0.023, 0.026 and 0.028, respectively), there was no significant difference in the change in cognitive scores following nutritional interventions over a 6-month period between those who remained stunted and those who were no longer stunted (P>0.10). CONCLUSIONS: Evidently, stunting remains associated with cognitive ability in school-age children; however, the reversal of these effects in this age group may be quite difficult.
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