doi: 10.3389/fped.2023.1263836 Received 20 July 2023 Accepted 21 August 2023 Published 12 September 2023 Volume 11 - 2023 Edited by Paul Henderson, University of Edinburgh, United Kingdom Reviewed by Tudor Lucian Pop, University of Medicine and Pharmacy Iuliu Hatieganu, Romania Bin Wang, Shenzhen Childrens Hospital, China Updates Copyright 2023 Jiachen, Paul Kwong Hang, Kenneth Kak Yuen and Vincent Chi Hang
Common reasons include: Pernicious anemia , an autoimmune condition affecting intrinsic factor production Gastrointestinal disorders, such as Crohns disease or celiac disease Prolonged use of certain medications, like proton pump inhibitors Knowing these causes helps spot at-risk people
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