Lower dietary diversity in the first year linked to atopic dermatitis
Lower dietary diversity during the first year of life is associated with an increased risk of atopic dermatitis (AD) later in life, according to a study published online Sept. 20 in Pediatric Allergy and Immunology.
A new study published in Pediatric Allergy and Immunology on September 20 reveals a connection between lower dietary diversity in a child's first year and an increased risk of developing atopic dermatitis (AD) later in life. Led by Ju Hee Kim from Kyung Hee University College of Medicine in Seoul, South Korea, the research analyzed data from 267,935 infants born in 2009 and 2010 using the Korean National Health Insurance Service database.
Infants were categorized based on their dietary diversity at 12 months as low, moderate, or high. The primary outcome measured was the incidence of AD. To mitigate reverse causation, infants previously diagnosed with AD were excluded from the study. The findings indicated that both low- and moderate-diversity groups had a significantly higher risk of AD compared to the high-diversity group (adjusted hazard ratios of 1.08 and 1.11, respectively).
The research did not find any significant interaction between infant sex or the maternal history of asthma or AD. The authors emphasize the need for randomized controlled trials to confirm these findings and inform evidence-based public health recommendations.
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