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What does it mean to target specific serum 25-hydroxyvitamin D concentrations in children and adolescents?
serum 25-hydroxyvitamin children adolescents
2018/12/18
The task of determining dietary requirements for vitamin D intake is one of the key unresolved issues in vitamin- and mineral-related nutrition. The complexities of issues, including determining intak...
Circulating 25-hydroxyvitamin D and physical performance in older adults: a nationwide study in Taiwan
epidemiology HALST physical performance vitamin D lifestyle factors
2018/12/18
Background: A previous study indicated that 31% of the elderly in Taiwan have a vitamin D deficiency. Vitamin D adequacy has been associated with physical performance in the elderly.
The vitamin D status of the US population from 1988 to 2010 using standardized serum concentrations of 25-hydroxyvitamin D shows recent modest increases
standardization survey vitamin D trend NHANES supplements
2018/12/13
Background: Temporal trends in the US population’s vitamin D status have been uncertain because of nonstandardized serum 25-hydroxyvitamin D [25(OH)D] measurements.
The vitamin D status of the US population from 1988 to 2010 using standardized serum concentrations of 25-hydroxyvitamin D shows recent modest increases
standardization survey vitamin D trend NHANES supplements
2018/12/3
Background: Temporal trends in the US population’s vitamin D status have been uncertain because of nonstandardized serum 25-hydroxyvitamin D [25(OH)D] measurements.
Free 25-hydroxyvitamin D is low in obesity, but there are no adverse associations with bone health
bone density bone turnover half-life obesity vitamin D vitamin D–binding protein
2018/11/30
Background: The mechanism and clinical significance of low circulating 25-hydroxyvitamin D [25(OH)D] in obese people are unknown. Low total 25(OH)D may be due to low vitamin D–binding proteins (DBPs) ...
Common variants in CYP2R1 and GC genes are both determinants of serum 25-hydroxyvitamin D concentrations after UVB irradiation and after consumption of vitamin D3–fortified bread and milk during winter in Denmark
genetic polymorphism SNPs UVB radiation vitamin D status 25-hydroxyvitamin D vitamin D supplements
2018/12/20
Background: Little is known about how the genetic variation in vitamin D modulating genes influences ultraviolet (UV)B–induced 25-hydroxyvitamin D [25(OH)D] concentrations. In the Food with vitamin D ...