Clinical trial data suggests prenatal vitamin D reduces a child’s risk of asthma

A review of 15 years’ worth of data from the Vitamin D Antenatal Asthma Reduction Trial (VDAART) found that vitamin D supplementation during pregnancy was linked to reduced rates of asthma and wheezing in children compared to standard prenatal multivitamin.

A new review paper from investigators from Brigham and Women’s Hospital, a founding member of the Mass General Brigham healthcare system, strengthens the link between vitamin D levels during pregnancy and childhood wheezing and asthma in offspring. The researchers published their review paper in the Journal of Allergy and Clinical Immunology.

“Vitamin D deficiency is very common, especially in pregnant women who are not taking supplements,” study first author Scott T Weiss, associate director of the Channing Division of Network Medicine at Brigham Women’s Hospital and professor at Harvard Medical School, said. “Based on our…

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