Vitamin D insufficiency in southern Arizona 1 – 3

Background: Vitamin D deficiency or insufficiency has been observed among populations in the northern United States. However, data on the prevalence of vitamin D deficiency in areas of high sun exposure, such as Arizona, are limited. Objective: The purpose of this study was to analyze serum 25hydroxyvitamin D [25(OH)D] concentrations in residents of… CONTINUE READING