High-dose vitamin D in pregnancy fails to prevent wheezing risk in children

The first study was supported by the Copenhagen Prospective Study on Asthma in Childhood, which is funded by private and public research groups. One of the coauthors reported receiving consulting fees from Chiesi. The Vitamin D Antenatal Asthma Reduction Trial was supported by the U.S. National Heart, Lung, and Blood Institute and the National Centers for Advancing Translational Sciences. The lead author, Dr. Litonjua, reported receiving personal fees from UpToDate and Springer Humana Press; his associates reported ties to numerous industry sources.