Early peanut introduction cuts allergy danger by 27%, new research finds

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Traditionally, dad and mom have been suggested to keep away from feeding peanuts to infants for the primary few years of life, however rising analysis has confirmed that introducing them sooner — as early as infancy — may assist stave off meals allergic reactions.

A 2025 research led by the Kids’s Hospital of Philadelphia analyzed medical information from dozens of pediatric practices throughout the U.S., discovering that early introduction of peanuts resulted in a 27% lower in peanut allergy diagnoses amongst youngsters and a 38% lower in general meals allergic reactions.

The newest analysis additionally discovered that eggs had surpassed peanuts as the commonest meals allergen within the youngsters studied. Past peanuts, different frequent meals allergens embody milk, egg and wheat.

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The brand new analysis — printed in Pediatrics, the journal of the American Academy of Pediatrics, in October 2025 — centered on a two-year interval after new steering was issued by the Nationwide Institute of Allergy and Infectious Ailments, which first advised parents to introduce peanuts earlier.

Rising analysis has confirmed that introducing peanuts as early as infancy may assist stave off meals allergic reactions. (iStock)

That up to date steering was based mostly on a landmark 2015 research — the Studying Early About Peanut Allergy (LEAP) trial — which discovered that for infants who had extreme eczema or an egg allergy, exposing them to peanuts after they have been between 4 and 11 months previous may scale back peanut allergy danger by 81%.

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The rules have been up to date once more in 2021, encouraging the introduction of peanut, egg and different main meals allergens as early as 4 to six months for all children — together with these with out a historical past of prior response, based on well being consultants.

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"Everybody has been questioning whether or not these landmark public well being interventions have had an affect on decreasing charges of IgE-mediated meals allergic reactions in america," mentioned first creator Stanislaw Gabryszewski, M.D., Ph.D., an attending doctor within the Division of Allergy and Immunology on the Kids’s Hospital of Philadelphia, in an announcement.

A 2025 research led by the Kids’s Hospital of Philadelphia discovered that early introduction of peanuts resulted in a 27% lower in peanut allergy diagnoses amongst youngsters and a 38% lower in general meals allergic reactions. (iStock)

"We now have knowledge that recommend the impact of this landmark public health intervention is happening."

The newest findings "are supportive of efforts to extend training and advocacy associated to early meals introduction practices," the research authors wrote.

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"If confirmed, these findings would symbolize a significant public well being advance — affirming that medical analysis, when coupled with clear pointers and dedicated dissemination, can certainly shift the trajectory of childhood meals allergy."

Research limitations The research solely included knowledge by means of early 2019 and didn't contemplate the steering launched in 2021, which advisable early introduction of a number of allergens no matter danger, the researchers acknowledged.

It additionally relied on allergy diagnoses from digital health records , which can miss some instances. Additionally, the researchers didn't seize particular person feeding patterns.

Mother and father are inspired to debate any considerations with their pediatrician earlier than introducing potential meals allergens. (iStock)

As a result of the research was observational, it can't show trigger and impact, however solely affiliation, the researchers famous. Different elements could affect the end result.

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In some youngsters, peanut allergy can set off extreme, life-threatening reactions, together with problem respiration, swelling of the throat and a harmful drop in blood stress, based on Mayo Clinic. These reactions require fast therapy with epinephrine, a life-saving allergy remedy.

Not all dad and mom could also be snug with these revised pointers, well being consultants say.

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"Not everybody has adopted these pointers, however that is further evidence that this early introduction is efficient at stopping meals allergic reactions," Dr. Susan Schuval, chief of the Division of Pediatric Allergy and Immunology at Stony Brook Kids's Hospital in New York, beforehand advised Fox Information Digital.

Mother and father are inspired to debate any considerations with their pediatrician earlier than introducing potential meals allergens.

Amy McGorry contributed reporting.

Melissa Rudy is senior well being editor and a member of the approach to life workforce at Fox Information Digital. Story ideas could be despatched to melissa.rudy@fox.com.