Journal of Steroids & Hormonal Science

Journal of Steroids & Hormonal Science
Open Access

ISSN: 2157-7536

+44 7480724769

Sunil Wimalawansa

Department of Medicine, Cardiometabolic and Endocrine Institute, North Brunswick, NJ, USA

Publications
  • Review Article   
    Biology of Vitamin D
    Author(s): Sunil Wimalawansa*

    Vitamin D is both a vitamin and a hormone. It has pleotropic actions that extend beyond calcium and phosphate homeostasis, regulation of parathyroid hormone, and the prevention of osteomalacia, rickets, falls, and fractures. Over 80% of vitamin D requirement is expected to generate in the skin, following exposure to ultraviolet B in sunlight; globally, majority of people are however, under-exposed to sunlight. Nevertheless, over exposure to sunlight, does not cause hypervitaminosis D but can cause damage to skin cells. However, both extremes of vitamin D concentrations can be harmful. Vitamin D is essential for life, including for reproduction, fetal growth, and immunity, and proper functioning of body systems. Evidence supports wider beneficial effects of vitamin D but to achieve such, maintaining serum 25 dihydroxyvitamin D (25(OH)2D) concentrations of more than 30 ng/mL .. Read More»
    DOI: 10.24105/2157-7536.10.198

    Abstract PDF

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