Some 60,000 kids have avoided peanut allergies due to 2015 advice, study finds

Published: Monday, October 20, 2025 at 8:43 am

Landmark Study Leads to Fewer Peanut Allergies in Children

A recent study published in the medical journal *Pediatrics* reveals a significant impact from updated medical guidance on introducing peanuts to infants. The research indicates that approximately 60,000 children have avoided developing peanut allergies due to the revised recommendations.

The shift in medical practice, which began in 2015, advised introducing peanut products to infants as early as four months old. This guidance reversed decades of advice that recommended delaying the introduction of potentially allergenic foods until later in childhood. The new study analyzed electronic health records from numerous pediatric practices to track food allergy diagnoses before, during, and after the guidelines were implemented.

The study found a decline in peanut allergies among children aged 0 to 3. The decline was over 27% after the initial guidance in 2015, and over 40% after the recommendations were expanded in 2017.

The updated guidelines are based on the groundbreaking Learning Early About Peanut Allergy (LEAP) trial, which demonstrated that early introduction of peanuts significantly reduced the risk of developing peanut allergies. Despite the positive findings, the implementation of these guidelines has been gradual. Surveys indicate that a portion of pediatricians and allergists are following the expanded guidance.

The study's authors emphasize the importance of awareness, education, and advocacy to further increase positive results. The current guidance, updated in 2021, recommends introducing peanuts and other major food allergens between four and six months of age. Parents are encouraged to consult their pediatricians for guidance.

BNN's Perspective: The study's findings are encouraging, demonstrating the potential of evidence-based medicine to improve public health outcomes. While the slow adoption of the new guidelines is a concern, the positive impact on reducing peanut allergies highlights the importance of continued education and outreach to healthcare providers and parents.

Keywords: peanut allergy, food allergy, infants, early introduction, guidelines, Pediatrics, LEAP trial, children, allergies, pediatricians, allergists, health, research, study, medical, recommendations

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