Introduction Vitamin D deficiency is an important public health problem worldwide. Vitamin D
deficiency confers a significant risk for both skeletal and non-skeletal disorders and a …

The main role of vitamin D is regulating bone metabolism and calcium and phosphorus
homeostasis. Over the past few decades, the importance of vitamin D in non-skeletal actions …

Vitamin D (VD) is essential for bone homeostasis, but it is also involved in pleiotropic effects
on various organs and tissues. In adults, VD deficiency can cause or exacerbate …

Vitamin D is a fat-soluble vitamin and a steroid hormone that plays a central role in
maintaining calcium-phosphorus and bone homeostasis in close interaction with parathyroid …

In the last few years, more attention has been given to the “non-calcemic” effect of vitamin D.
Several observational studies and meta-analyses demonstrated an association between …

Autoimmune diseases (ADs) are a heterogeneous groups of diseases that occur as a results
of loss of tolerance to self antigens. While the etiopathogeneis remain obscure, different …

Purpose Vitamin D is a fascinating and attractive molecule that has gained particular
attention in medicine in recent years. Its immunomodulatory and anti-inflammatory potential …

Vitamin D is a pleiotropic secosteroid yielding multiple actions in human physiology.
Besides the canonical regulatory activity on bone metabolism, several non-classical actions …

Background: Hashimoto's thyroiditis (HT) is the prevailing form of autoimmune thyroiditis and
the leading cause of hypothyroidism in iodine-sufficient regions worldwide. This study aims …

Objective To study the epidemiology and clinical characteristics of Takayasu arteritis (TAK)
in southeast Norway (population 2.8 million). Methods All study area hospital databases …