Do low vitamin D levels facilitate renal parenchymal injury?

Do Serum Vitamin D Levels Have Any Effect on Intrauterine Insemination Success?

Objective Recent studies have shown that vitamin D has an essential role in the reproductive system. In this study, we aimed to investigate the effect of vitamin D levels in patients undergoing ovulation induction (OI), and subsequent intrauterine insemination (IUI) procedure. MaterialsAndMethods One hundred and four infertile and one hundred and three fertile women were recruited in this cross...

Low Vitamin D Levels Do Not Predict Hyperglycemia in Elderly Endurance Athletes (but in Controls)

BACKGROUND AND AIM Recent studies revealed a link between hypovitaminosis D3 and the risk for hyperglycemia. Further mechanistic and interventional investigations suggested a common reason for both conditions rather than a causal relationship. Exposure to sunlight is the most relevant source of vitamin D3 (25(OH)D), whereas adipose tissue is able to store relevant amounts of the lipophilic vita...

Do low vitamin D levels cause problems of waste removal in patients with SLE?

Associations between Vitamin D Levels and Risk of Anterior Cruciate Ligament Injury in Male Athletes

Background and purpose: Association between vitamin D and anterior cruciate ligament injury (ACLI) in male athletes is poorly understood, and current data are not sufficient and consistent. The present study investigated the association between vitamin D and ACLI in some Iranian male athletes. Materials and methods: This cross-sectional study was carried out in 100 male athletes with knee pain...

Do Low - Price Guarantees Facilitate Do Low - Price

We examine the role low-price guarantees allegedly play in supporting supracompetitive prices. We find that when firms can commit to matching or beating any lower price announced by a competitor, all Nash equilibria yield Bertrand selling prices. This result casts doubt on the robustness of the conclusions of models which restrict attention to meet-the-competition clauses only. JEL Classificati...