Erin Largo-Wight, Caroline Guardino, Peter S Wludyka, Katrina W Hall, Jeff T Wight, Julie W Merten
Nature contact at school: The impact of an outdoor classroom on children's well-being
International journal of environmental health research
vitamin vitd naturally occurring fatsoluble vitamin regulates calcium phosphate homeostasis human body also known neuroprotective role vitd deficiency often associated impaired cognition higher risk dementia study aimed explore relationship levels vitd cognitive functioning adult individuals 982 cognitively healthy adults 45 years recruited part cbrtata longitudinal study aging tlsa addenbrookes cognitive examinationiii aceiii hindi mental status examination hmse used measure cognitive functioning 25hydroxyvitamin 25ohd levels measured collected serum sample classified three groups deficient 20 ngml insufficient 2029 ngml normal 30 ngml statistical analysis done using ibm spss software version 2801115 mean age participants 6124 9 years among 982 participants 572 58 deficient 224 23 insufficient 186 19 normal levels vitd kruskalwallis h test revealed significant difference age p 0015 education p 0021 across vitd levels chisquare test revealed significant association gender p 0001 dyslipidemia status p 0045 vitd levels adjusting age education gender dyslipidemia status glm revealed individuals deficient p 0038 levels vitd lower scores aceiii verbal fluency compared normal additionally also found 912 individuals vitd deficiency also dyslipidemia concerning vitd deficiency impacts lipid metabolism lower levels vitd also negatively impacts verbal fluency adult individuals verbal fluency involves higher order cognitive functions result provides us scope investigate different domains cognition relation vitd deficiency associated disorders