Abstract
The emergence of food allergies in children is crucial for various medical fields seeking a viable strategy for allergy prevention. The most well-recognized approach adopted by numerous health care and government institutions hinges on the delay in the introduction of food allergens, which supposedly protects infants from sensitization and decreases the possibility of allergy development. However, recent experimental findings indicate that the benefits of this approach might be overestimated, as early exposure to allergenic foods has been shown to yield more advantageous outcomes. Multiple investigations on the causes of allergic diseases report that avoiding food allergies might be related to early consumption of these allergens. Alternatively, delaying the contact with allergenic nourishments, explored in contemporary research, has been proven to result in a higher prevalence of allergies among children, originating such conditions as atopic diseases and extreme sensitization to foods. The current paper compares the two prominent strategies of allergenic food introduction, gathering the most pertinent modern evidence to distinguish whether exposure to food allergens should be delayed or advanced.
Highlights
BackgroundFood allergies among children and adolescents can have various consequences, ranging from minor food sensitivity to the risk of significant complications
While some scholars suggest that early exposure to food allergens can be more beneficial in the long term, others argue that late introduction is less dangerous for infants [1,2]
The two prominent strategies of food allergy prevention in children, namely early and late introduction to food allergens, were reviewed in detail in this article according to the recent academic literature
Summary
Food allergies among children and adolescents can have various consequences, ranging from minor food sensitivity to the risk of significant complications. Contemporary observations from various countries state that late contact might be less efficient when contrasted with early exposure [6] This strategy may even be ineffective in specific populations and cohorts, resulting in a higher prevalence of food allergies among children and adults [7]. Authors from numerous countries conducted various types of research examining whether delayed exposure to food allergens can contribute to the low prevalence of food allergies in the affected populations and the effect of early introduction in infants [3,15,16].
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