The article describes a study linking high consumption of ultra-processed foods in early childhood to lower IQ scores at ages six to seven. The negative association was stronger among children who showed growth delays in infancy, and persisted after accounting for socioeconomic status and home stimulation. Possible mechanisms include gut-brain interactions and oxidative stress, though the study is observational.
This topic is of interest to psychology because it highlights how early nutrition can shape cognitive development and later school performance, illustrating the interaction between biological vulnerability and environmental exposure. It also raises considerations about confounding and cumulative disadvantage in developmental research.
Article Title: Ultra-processed foods in early childhood linked to lower IQ scores
Link to PsyPost Article: ift dot tt/L6k5CQE
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#NutritionAndCognition #EarlyChildhoodNutrition #UltraProcessedFoods #CognitiveDevelopment #PublicHealth