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Historically, parents have been advised to avoid it. give peanuts Although it is given to babies for the first few years of life, new research confirms that food allergies can be prevented even earlier, during infancy.
A 2025 study led by Children’s Hospital of Philadelphia analyzed medical records from dozens of pediatric clinics across the country and found that early introduction of peanuts reduced child mortality rates by 27%. Diagnosis of peanut allergy Food allergies decreased among children, with overall food allergies decreasing by 38%.
The latest study also found that eggs surpassed peanuts as the most common food allergen among the children surveyed. In addition to peanuts, other common food allergens include milk, eggs, and wheat.
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The new study, published in October 2025 in the journal Pediatrics of the American Academy of Pediatrics, focused on the two years since the new guidance was published by the National Institute of Allergy and Infectious Diseases, when the guidelines were first published. advised parents Let me introduce peanuts first.
New research confirms that introducing peanuts from an early age may help prevent food allergies. (St. Petersburg)
That updated guidance is based on a landmark 2015 study, the Early Learning to Peanut Allergy (LEAP) trial, which found that for infants with severe eczema or egg allergy, exposure to peanuts between 4 and 11 months of age can reduce the risk of peanut allergy by 81%.
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The guidelines were updated again in 2021 to encourage introducing peanuts, eggs, and other major food allergens as early as 4 to 6 months. for all children – According to health experts, this includes people who have no previous history of reaction.
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“Everyone is wondering whether these innovative public health interventions have had an impact on reducing the incidence of IgE-mediated food allergies in the United States,” lead author Stanisław Gabryszewski, MD, attending physician in the Department of Allergy and Immunology at Children’s Hospital of Philadelphia, said in a statement.
A 2025 study led by Children’s Hospital of Philadelphia found that early introduction of peanuts resulted in a 27% reduction in peanut allergy diagnoses in children and a 38% reduction in overall food allergies. (St. Petersburg)
“We now have data that suggests the effectiveness of this landmark. public health An intervention is occurring. ”
The latest findings “support efforts to strengthen education and advocacy related to early food introduction practices,” the study authors wrote.
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“If confirmed, these findings would represent a meaningful public health advance. Clinical research, combined with clear guidelines and aggressive dissemination, would confirm that we can indeed change the trajectory of childhood food allergies.”
Research limitations
The researchers acknowledged that the study only included data through early 2019 and did not take into account guidance published in 2021 that recommended early introduction of multiple allergens regardless of risk.
They also relied on electronic device allergy diagnosis. health recordmay be missed in some cases. Also, the researchers did not know individual feeding patterns.
Parents are encouraged to consult their pediatrician with any concerns before introducing potential food allergens. (St. Petersburg)
The researchers noted that because the study was observational, it could not prove causation, only an association. Other factors may influence the results.
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According to the Mayo Clinic, peanut allergies can cause severe, life-threatening reactions in some children, including difficulty breathing, swelling of the throat, and dangerously low blood pressure. These reactions require immediate treatment with epinephrine, a life-saving allergy drug.
Health experts say not all parents are happy with these revised guidelines.
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“Not everyone is following these guidelines, but this further evidence “This early introduction is effective in preventing food allergies,” Dr. Susan Schuval, director of pediatric allergy and immunology at Stony Brook Children’s Hospital in New York, previously told FOX News Digital.
Parents are encouraged to consult their pediatrician with any concerns before introducing potential food allergens.
Amy McGorry contributed reporting.
