lactation despite changes in vitamin D metabolite concentrations Kerry S Jones1,2, Shima Assar1, Ann Prentice1,2 & Inez Schoenmakers1 Pregnancy and lactation are associated with changes in vitamin D and calcium metabolism but the impact of these changes on vitamin D expenditure is ...
intestine and bone1. Vitamin D also has direct and indirect effects on growth plates, bone and bone cells1. The extra-skeletal role of vitamin D has been suggested in various organs and ailments like skin (psoriasis,
In 2011, a study was conducted to examine the relationship between serum vitamin D levels and the isometric knee extension test in patients with ACL injury [3]. The study observed patients at the pre-op stage and 3 months after ACLR. The results showed that patients with sufficient levels of...
Vitamin D Deficiency test. The statistical significance was accepted with a P value of less than 0.05 RESULTS The studied population showed a mean age of 63.28 years (SD 10.725 years) with a male to female ratio of 5.92:1. A history of smoking was present in 81.66% of the patients. The...
Conclusions: Low calcium intake (based on low BMD of the femoral neck only) and mild hyperparathyroidism (based on low BMD of both the femoral neck and lumbar spine), partly explained by low vitamin D nutrition and a low calcium intake, are important predictors of low BMD in young Japanese...
These predictors explained approximately 21% of the variance in serum 25(OH)D. The area under the ROC curve predicting vitamin D deficiency was 082. Net benefit for the prediction model was higher than that for the test-all' strategy at all probability thresholds and higher than the test-...
explained by the presence of comorbid illnesses such as diabetes mellitus and hypertension, conditions which are also commoner in those with obesity, and in older and black populations. We and others have hypothesized that nutritional state, and in particular vitamin D deficiency, which is also ...
which hinders the extrapolation of our results to other populations. Second, the limited genetic variants of absolute vitamin A and vitamin B9 levels impeded sensitivity analyses. However, these genetic instruments were derived from the largest GWAS available, and results were consistent when vitamin ...
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Vitamin D deficiency is a candidate risk factor for osteoporosis, characterized by decreased bone mineral density (BMD). We performed this two-sample Mendelian randomization (MR) analysis to investigate the causal effect of vitamin D on BMD. We extracted 143 single-nucleotide polymorphisms from a re...