About The Study: Researchers found in this secondary analysis of a randomized clinical trial including 8,800 school-age children with a high prevalence of vitamin D deficiency that weekly oral administration of vitamin D for 3 years did not influence growth, body composition, or pubertal development. Vitamin D deficiency is prevalent among children living in temperate climates and has been reported to associate independently with stunting and obesity. 

Authors: Davaasambuu Ganmaa, Ph.D., of the Harvard T.H. Chan School of Public Health in Boston, and Adrian R. Martineau, Ph.D., of the Queen Mary University of London, are the corresponding authors.

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(doi:10.1001/jamapediatrics.2022.4581)

Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.

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