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Study Reveals Omega-3s Cut Aggression by 28%

2/8/2026

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Story summary
  • A 2024 University of Pennsylvania study finds omega-3 fatty acids from fish oil may reduce aggression by up to 28%.
  • The meta-analysis includes 29 trials with 3,918 participants and shows effects on both reactive and proactive aggression.
  • Neurocriminologist Adrian Raine advocates omega-3 supplementation in various settings, arguing it can complement other treatments.
  • The findings, published in Aggression and Violent Behavior, also note heart-health benefits and a broader dietary upside.