Journal Article Summary
The article investigates the relationship between maternal dietary folate intake, the use of folic acid supplements, and the occurrence of wheeze and eczema in children at the age of two. This topic is significant because allergies, including asthma and eczema, are common health issues among children, and understanding the role of maternal nutrition during pregnancy could help in managing these conditions. Previous studies have suggested that folic acid supplementation may be linked to an increased risk of allergies in children, but few have examined the combined effects of both dietary folate and supplements.
The study analyzed data from over 85,000 mothers and their children as part of the Japan Environment and Children’s Study. Participants were categorized based on their use of folic acid supplements and their dietary folate intake. The findings revealed that while maternal intake of folic acid supplements did not show a significant association with wheeze or eczema in children, higher dietary folate intake was linked to an increased risk of wheeze. Specifically, children whose mothers consumed 480 μg/day or more of dietary folate had a higher likelihood of experiencing wheeze compared to those with lower intake levels.
However, the study has limitations, including the exclusion of nearly 19,000 participants due to incomplete data, which may introduce bias. Additionally, the research did not account for various confounding factors such as environmental influences and genetic predispositions that could affect allergy development. Patients and caregivers should discuss these findings with healthcare professionals, especially regarding the importance of balanced nutrition during pregnancy and the potential implications for children's health. Further research is needed to clarify these associations and to explore the underlying mechanisms.
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Article Cited
- Masuda Hideyuki, Kobayashi Sumitaka, Miyashita Chihiro, Itoh Sachiko, Bamai Yu Ait, Saijo Yasuaki, Ito Yoshiya, Kishi Reiko, et al.. Maternal dietary folate intake with folic acid supplements and wheeze and eczema in children aged 2 years in the Japan Environment and Children’s Study. PLoS ONE 2022. DOI: 10.1371/journal.pone.0272968. PMID: 35994490. PMCID: PMC9394831.
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