{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["81(2)"],"submitter":["Montiel-Ojeda D"],"pubmed_abstract":["Introduction
Vitamin D deficiency is associated with bone metabolism and immune disorders. Radiation's seasonal variation affects vitamin D status more at the poles. In Mexico, near the equator, there have been reports of 10-20% vitamin D deficiency in children. There is no consensus on the definition of vitamin D deficiency, different organizations consider that a vitamin D level should be above 20-30 ng/mL. This study aimed to analyze vitamin D serum concentrations in children and adolescents from Mexico City and the Metropolitan Area (MA) during different seasons.Methods
Cross-sectional study in children and adolescents aged 5-20 years from Mexico City and Metropolitan Area, from autumn 2016 to winter 2017. Variables of interest such as anthropometric measurements, food "],"journal":["Annals of nutrition & metabolism"],"pagination":["61-67"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12011372"],"repository":["biostudies-literature"],"pubmed_title":["Seasonal Differences of 25-Hydroxyvitamin D Concentrations in Children and Adolescents from Mexico City and Metropolitan Area."],"pmcid":["PMC12011372"],"pubmed_authors":["Lopez-Gonzalez D","Clark P","Mendez Sanchez L","Montiel-Ojeda D","Guagnelli MA"],"additional_accession":[]},"is_claimable":false,"name":"Seasonal Differences of 25-Hydroxyvitamin D Concentrations in Children and Adolescents from Mexico City and Metropolitan Area.","description":"Introduction
Vitamin D deficiency is associated with bone metabolism and immune disorders. Radiation's seasonal variation affects vitamin D status more at the poles. In Mexico, near the equator, there have been reports of 10-20% vitamin D deficiency in children. There is no consensus on the definition of vitamin D deficiency, different organizations consider that a vitamin D level should be above 20-30 ng/mL. This study aimed to analyze vitamin D serum concentrations in children and adolescents from Mexico City and the Metropolitan Area (MA) during different seasons.Methods
Cross-sectional study in children and adolescents aged 5-20 years from Mexico City and Metropolitan Area, from autumn 2016 to winter 2017. Variables of interest such as anthropometric measurements, food ","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025","modification":"2025-07-07T03:10:02.086Z","creation":"2025-07-07T03:10:02.086Z"},"accession":"S-EPMC12011372","cross_references":{"pubmed":["39510049"],"doi":["10.1159/000542467"]}}