The Maternal Vitamin D for Infant Growth (MDIG) trial was conducted in Bangladesh to further understand whether prenatal vitamin D with or without postpartum supplementation affects infant growth or other maternal, newborn, and infant outcomes.
This secondary analysis of Effects of Aspirin in Gestation and Reproduction trial found that women with sufficient 25-hydroxyvitamin D levels (≥ 30 ng/mL) were more likely to become pregnant and have a live birth than women with insufficient concentrations of vitamin D.
The authors of this systemic review, random-effect meta-analysis, and trial sequence analysis suggested that vitamin D supplementation does not have clinically significant effects on bone mineral density or the prevention of fractures or falls.
The authors of a systematic review of 13 studies found convincing evidence that vitamin C supplementation, beginning before cardiac surgery and continuing for a few days postoperatively, can decrease the risk of atrial fibrillation.
Researchers conducted a secondary analysis and extended follow-up of two large, randomized, controlled trials to show the relationship between supplementing with B vitamins and the incidence of hip fractures.
These researchers investigated the use of supplemental vitamin B6, folate, and B12 and the risk of lung cancer in 77,118 participants in the Vitamins and Lifestyle cohort, finding an increased risk of lung cancer in men, which was exacerbated by smoking.
Low vitamin D levels are associated with a range of neurovascular diseases, but little data are available on the association between vitamin D levels and headaches. This retrospective, cross-sectional study showed that low serum vitamin D levels were associated with a higher risk of frequent headaches in middle-aged/elderly Finnish men.