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Source study found

Story checked

How food allergy risk changes as children grow (opens in a new tab)

medicalxpress.com · 2026-10-14

Short answerEvidenceSource

Short answer

Mixed

Mixed.

The claims we could check match the study, but some claims were not covered by the evidence reviewed.

  • 3 supported
  • 3 not covered

Checked against the study summary. The full text wasn't available, so some details couldn't be settled either way.

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Follow the evidence trail
1
2

NewsLink checks it

Mixed

Every claim we could check holds up. Three of six claims match the study. This overall rating is based only on the claims we could check. Three claims the study doesn't address.

  • 3 supported
  • 3 not covered
Open claim evidence
3
Then inspect each claim

Evidence layer

Claim by claim

Each claim gets a verdict. Expand it to see the evidence directly below.

6 claims in this story

Showing all 6 claimsChoose a verdict to focus the list.

Claim 1 of 6Not coveredAmong 500 mother-child pairs, specific IgE sensitization was found in 25.3% of children at age 1 and 40.4% at age 5.View evidenceHide evidence

As stated25.3% at age 1; 40.4% at age 5

Why this verdict

The profile supports a 500-sample paired child dataset with corresponding mothers and measurements at 12 and 60 months. However, the exact prevalence values stated by the story—25.3% at age 1 and 40.4% at age 5—are not present in the abstract-level profile, which notes that detailed statistical estimates are not available at this depth.

1

Study evidence

Children showed persistent sIgE sensitization to peanut components Ara h 1, Ara h 2, and Ara h 6 between 12 and 60 months.

“Five hundred paired samples from children at 12 and 60 months were included based on the child's characteristics.”
2

Study evidence

Persistent sIgE sensitization to peanut components (Ara h 1, Ara h 2, Ara h 6) was observed in children between 12 and 60 months.

“we aimed to identify allergic sensitization in Canadian mothers and follow the longitudinal trajectories of their children from ages 1-5 years for the most crucial allergens.”
Claim 2 of 6Not coveredThe main food sensitizers changed with age, with egg and peanut prominent at age 1 and peanut and tree nuts predominating at age 5.View evidenceHide evidence

Why this verdict

The profile supports persistent peanut-component sensitization and greater frequency of several tree-nut component sensitizations at 60 months. It does not provide the egg-sensitization detail or establish that egg/peanut and then peanut/tree nuts were the 'main' or 'predominant' sensitizers. The story’s ranking/predominance framing therefore cannot be verified from the abstract-level profile.

1

Study evidence

Persistent sIgE sensitization to peanut components (Ara h 1, Ara h 2, Ara h 6) was observed in children between 12 and 60 months.

“we aimed to identify allergic sensitization in Canadian mothers and follow the longitudinal trajectories of their children from ages 1-5 years for the most crucial allergens.”
Claim 3 of 6Not coveredSome children showed persistence of peanut-component sensitization, while other nut components were often recognized only later.View evidenceHide evidence

As statedaround half; 12 months to age 5

Why this verdict

The profile supports the qualitative findings that peanut-component sensitization persisted from 12 to 60 months and that several tree-nut components were more frequent at 60 months. But the story’s stated magnitude—'around half' remaining sensitized—and the strength of 'often recognized only later' are not quantified in the abstract-level profile.

1

Study evidence

Persistent sIgE sensitization to peanut components (Ara h 1, Ara h 2, Ara h 6) was observed in children between 12 and 60 months.

“we aimed to identify allergic sensitization in Canadian mothers and follow the longitudinal trajectories of their children from ages 1-5 years for the most crucial allergens.”
Claim 4 of 6SupportedA study published in Allergy examined how IgE sensitization changes over the first five years of life in children from the Canadian CHILD Study.View evidenceHide evidence

Why this verdict

The abstract-level profile supports that this was a CHILD Study analysis of component-resolved IgE sensitization patterns and longitudinal child trajectories from about age 1 to age 5. The supplied profile does not independently document the journal venue, but the substantive study-description claim is supported.

1

Study evidence

Children showed persistent sIgE sensitization to peanut components Ara h 1, Ara h 2, and Ara h 6 between 12 and 60 months.

“Five hundred paired samples from children at 12 and 60 months were included based on the child's characteristics.”
2

Study evidence

Persistent sIgE sensitization to peanut components (Ara h 1, Ara h 2, Ara h 6) was observed in children between 12 and 60 months.

“we aimed to identify allergic sensitization in Canadian mothers and follow the longitudinal trajectories of their children from ages 1-5 years for the most crucial allergens.”
Claim 5 of 6SupportedAround one in four children lost sensitization to important 2S albumins over the four-year period.View evidenceHide evidence

As statedaround one in four

Why this verdict

The profile states that resolution of sIgE sensitization to key 2S albumin marker allergens was observed in approximately 25% of children between 12 and 60 months, matching the story’s 'around one in four' claim.

1

Study evidence

Children showed persistent sIgE sensitization to peanut components Ara h 1, Ara h 2, and Ara h 6 between 12 and 60 months.

“Five hundred paired samples from children at 12 and 60 months were included based on the child's characteristics.”
2

Study evidence

Persistent sIgE sensitization to peanut components (Ara h 1, Ara h 2, Ara h 6) was observed in children between 12 and 60 months.

“we aimed to identify allergic sensitization in Canadian mothers and follow the longitudinal trajectories of their children from ages 1-5 years for the most crucial allergens.”
Claim 6 of 6SupportedThe authors caution that the study did not include oral food challenges, so the findings do not show that children outgrew established food allergy.View evidenceHide evidence

Why this verdict

The profile’s limitations state that sIgE sensitization measured by microarray indicates immunologic sensitization but does not confirm clinical food allergy or severity. That supports the story’s caveat that loss of sensitization should not be interpreted as children outgrowing established food allergy. The exact oral-food-challenge wording is not detailed in the profile, but the clinical-allergy caveat is supported.

1

Study evidence

Children showed persistent sIgE sensitization to peanut components Ara h 1, Ara h 2, and Ara h 6 between 12 and 60 months.

“Five hundred paired samples from children at 12 and 60 months were included based on the child's characteristics.”
2

Study evidence

Persistent sIgE sensitization to peanut components (Ara h 1, Ara h 2, Ara h 6) was observed in children between 12 and 60 months.

“we aimed to identify allergic sensitization in Canadian mothers and follow the longitudinal trajectories of their children from ages 1-5 years for the most crucial allergens.”
Then look for missing context

Context layer

What the story left out

Important study details the story did not include.

  • The analytic sample was a selected/enriched subset of CHILD participants, including children selected for SPT reactions and additional SPT-negative children, limiting generalizability.

    The story mentions 500 mother-child pairs but does not convey that the sample was selected/enriched rather than a straightforward population-representative sample.

    From Observational birth‑cohort subcohort analysis (mother–child paired sera) with component-resolved IgE measurement; Longit

  • Maternal sensitization was characterized cross-sectionally alongside the child longitudinal analysis.

    The story notes mother-child pairs as the sample frame but does not describe maternal sensitization patterns as a paper element.

    From Observational birth‑cohort subcohort analysis (mother–child paired sera) with component-resolved IgE measurement

6 things the story did carry across
  • The paper analyzes component-resolved serum specific IgE sensitization in the CHILD cohort, including child samples at 12 and 60 months and corresponding maternal sera.
  • The child longitudinal focus is persistence, emergence/increased frequency, and resolution of allergen-component sensitization from 12 to 60 months.
  • Persistent sIgE sensitization to peanut components Ara h 1, Ara h 2, and Ara h 6 was observed between 12 and 60 months.
  • Sensitization to several tree-nut components was more frequent at 60 months than at 12 months.
  • Approximately 25% of children showed resolution of sIgE sensitization to key 2S albumin marker allergens.
  • Sensitization measured by sIgE is not equivalent to confirmed clinical food allergy or allergy severity.
Then read the study layer

Study layer

Study at a glance

Scan the study first. Expand only the parts you want to inspect.

Pieces of work

2

Evidence read

study summary

Lead result

human in vivo

1Lead resulthuman in vivoDescribe longitudinal trajectories (persistence, emergence, resolution) of key food allergen component sensitizations in children from 12 to 60 months, including 2S albumins as markers of systemic food allergy.Longitudinal observational cohort/subcohort analysis (paired samples at 12 and 60 months)Expand

In plain English

In the CHILD cohort sub-study, paired serum samples from children at 12 and 60 months (with corresponding maternal samples) were analyzed by multiplex allergen microarray to describe within-child longitudinal trajectories of component-resolved sIgE to key food allergens. Sensitization was defined as sIgE ≥ 0.3 kUa/L. Main findings were persistent peanut component sensitization from 12 to 60 months, greater frequency at 60 months of several tree-nut components, and resolution of sensitization to several 2S albumin marker components in about one-quarter of children.

Key findings

  • Persistent sIgE sensitization to peanut components (Ara h 1, Ara h 2, Ara h 6) was observed in children between 12 and 60 months.
  • Sensitization to several tree-nut components (cashew Ana o 2/Ana o 3; hazelnut Cor a 14; walnut Jug r 1/Jug r 2; pistachio Pis v 1–3) appeared more frequent at 60 months compared with 12 months.
“we aimed to identify allergic sensitization in Canadian mothers and follow the longitudinal trajectories of their children from ages 1-5 years for the most crucial allergens.”
2human in vivoCharacterize molecular (component-resolved) IgE sensitization patterns in Canadian mothers and in their offspring during early childhood within the CHILD birth cohort.Observational birth‑cohort subcohort analysis (mother–child paired sera) with component-resolved IgE measurementExpand

In plain English

Observational analysis of component-resolved serum IgE (sIgE) patterns measured by multiplex allergen microarray in mother–child pairs from the CHILD cohort, using a selected subcohort enriched for children with positive skin prick tests and including a set of SPT-negative children; sensitization defined as sIgE ≥0.3 kUa/L and child longitudinal samples at 12 and 60 months were profiled alongside corresponding maternal sera.

Key findings

  • Children showed persistent sIgE sensitization to peanut components Ara h 1, Ara h 2, and Ara h 6 between 12 and 60 months.
  • Sensitization to several tree‑nut components (cashew Ana o 2 and Ana o 3; hazelnut Cor a 14; walnut Jug r 1 and Jug r 2; pistachio Pis v 1–3) was more frequent at 60 months than at 12 months.
“Five hundred paired samples from children at 12 and 60 months were included based on the child's characteristics.”
What this piece can’t prove
  • Analytic sample is a selected subset of the CHILD cohort enriched for children with positive SPT (and supplemented with SPT-negative children), which may limit generalizability to the broader cohort or population.
  • Sensitization assessed by sIgE on a multiplex microarray (threshold sIgE ≥0.3 kUa/L) indicates immunologic sensitization but does not itself confirm clinical food allergy or severity.
  • Maternal sensitization is characterized cross-sectionally in the same analytic dataset; abstract does not report longitudinal maternal data.
  • Abstract provides summary results without detailed statistical estimates, numbers by allergen/component, or assay performance metrics in this report.
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The selected paper, plus nearby candidates.

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