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Wednesday, November 4, 2026 · UTC
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The Evidence

Ultra-processed food linked to heightened brain reward activity in children, study finds

The JAMA Network Open finding comes as UK nutrition authorities conduct an official evidence review on the food category.

Clinical Nutrition Writer
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Stands on 2 placed sources from 2 publishers.
Brain scans show ultra-processed food affects kids' reward systems
Brain scans show ultra-processed food affects kids' reward systems AI illustrationhow this picture was made
A study published in JAMA Network Open found children consuming more ultra-processed foods show heightened brain reward system activity when viewing appetizing food images.[1] The UK Scientific Advisory Committee on Nutrition is currently reviewing evidence on the health impacts of ultra-processed foods.[2] No further details on study design, sample size or effect estimates were provided in the filed source reports.
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What this stands on
  1. A study published in JAMA Network Open found children consuming more ultra-processed foods show heightened brain reward system activity when viewing appetizing food images. · ScienceDaily
  2. The UK Scientific Advisory Committee on Nutrition is currently reviewing evidence on the health impacts of ultra-processed foods. · Medical Xpress
We could not place any of them by their address. None is an official body: that part stands on reporting, not on the underlying document or transcript.