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Study Reveals Bacteria May Ease Peanut Allergies

3/3/2026

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Story summary
  • A study by Autonomous University of Madrid and McMaster University shows certain mouth and gut bacteria can influence peanut allergies.
  • Rothia and Staphylococcus can break down peanut proteins, potentially reducing severe allergic reactions.
  • The study followed 19 children with peanut allergies who showed better tolerance when these bacteria were present.
  • Further clinical testing is needed to confirm safety and effectiveness of probiotic approaches for allergy management.