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Current Opinion in Clinical Nutrition & Metabolic Care:
doi: 10.1097/MCO.0000000000000086
NUTRITION AND THE GASTROINTESTINAL TRACT: Edited by M. Isabel T.D. Correia and Alastair Forbes

Food intolerance and allergy: increased incidence or contemporary inadequate diets?

Skypala, Isabela; Vlieg-Boerstra, Berberb

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Abstract

Purpose of review

The role of nutrients in the study of allergic disease has been studied for many years, but recent evidence suggests that it is the quality and variety of the whole diet which affects the development of food allergy. This review seeks to understand whether food allergy prevalence is increasing and the role of diet in the development of the disease.

Recent findings

New data on the European and global prevalence of food allergy suggest that both reported and actual rates are increasing. Recent findings from studies in infants and children indicated that a Western diet could enhance the development of allergic disease, possibly due to an effect on the homeostasis of the gut microbiome, impacting the immune status of individuals.

Summary

With overall prevalence rates for food allergy increasing, it is important to ascertain the relevance of dietary influences. Attention has shifted from single-nutrient prevention studies to evaluation of the effect of different dietary patterns on allergic outcomes. Evidence suggests that introduction of complementary foods should not be delayed, and the diversity of the diet in early life is important. The increasingly processed nature of the Western diet, in combination with influences on the gut microbiome, may contribute to the rising prevalence of allergic disease, including food allergy.

© 2014 Wolters Kluwer Health | Lippincott Williams & Wilkins

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