Vitamin D: All You Need to Know: By Professor Sunil J. Wimalawansa

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Vitamin D: All You Need to Know:

By Professor Sunil J. Wimalawansa

The prevalence of vitamin D deficiency is rising worldwide and approaching epidemic proportions.  Yet vast majorities of individuals have undiagnosed and untreated vitamin D deficiency.  This book is intended to enhance the awareness of vitamin D deficiency and to facilitate the understanding of the physiology, pathophysiology, and health consequences of vitamin D deficiency.  It also provides identification of vulnerable populations and safe and cost-effective regimens for correcting the problem.

Vitamin D3 is generated in the skin after adequate exposure to the sun’s UV-B rays.  Our existence is dependent on adequate exposure to sunlight.  Ultraviolet rays should provide more than 80% of our daily vitamin D requirement, but our exposure to sunlight has declined over the years; consequently, the role of diet and supplements has become more important.  In many countries certain foods are fortified with vitamin D.

Rickets in children and osteomalacia in adults are classic manifestations of severe vitamin D deficiency.  Inadequate serum 25(OH)D levels and low calcium intake are important determinants of fracture risks.  In addition to enhancing calcium absorption and bone mineralization, vitamin D facilitates several important physiological processes.  Its deficiency exacerbates several medical disorders,   including heart diseases and cancer.    Whether the widespread vitamin D deficiency is related to the increasing incidences of cancer, type 2 diabetes, obesity, and heart disease remains to be determined.  Replenishment of serum 25(OH)D levels to greater than 30 ng/mL (75 nmol/L) minimizes these effects.

Cost-effective, community- and country-wide preventative strategies are essential to ensure adequate vitamin D in relation to geographical settings, seasons of the year, environmental pollution, skin pigmentation, and cultural habits.  The book explores the relationship of vitamin D with skeletal and non-skeletal systems, non-classic functions, and new and old targets of vitamin D, metabolism and mechanisms of action and, the means of achieving vitamin D sufficiency with maintenance and therapeutic supplementation.  Book contains 378 pages with 75 color illustrations, printed in high quality paper.  It is easy to read and understand not only by all health care workers, but also by others.  Cost, US $40 in hard cover

You can find a book synopsis here

Vitamin D-Book.Synopsis_H-1

Anyone interested of having a copy, please e-mail suniljw@hotmail.com with the title of Vitamin D book.

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