Scientists Reveal Common Foods Linked to Lower IQ in Children
Summary
A study found that toddlers who eat more ultraprocessed foods at age two tend to score lower on IQ tests at ages six and seven. This connection remains even after considering various social and family factors. The research is based on data from the Pelotas Birth Cohort in Brazil.Key Facts
- Researchers analyzed data from children in Brazil to study early dietary patterns and later IQ scores.
- The study focused on children’s diets at age two and their cognitive performance at ages six and seven.
- Two main eating patterns were identified: "healthy" (fruits, vegetables) and "unhealthy" (snacks, processed meats).
- Children with diets high in ultraprocessed foods scored lower on intelligence tests.
- The research took into account factors like family income, maternal education, and home environment.
- The study did not find a link between the healthy eating pattern and higher IQ scores.
- The effects of an unhealthy diet were stronger in children with early growth issues like low weight or height.
- Authors suggest ultraprocessed foods may impact brain development through inflammation or stress mechanisms.
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