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The Role of the Laboratory in Assessing Concerns Over Vitamin D Toxicity

Speaker
  • University of Toronto Professor, Department of Laboratory Medicine and Pathobiology, and Department of Nutritional Sciences, Toronto, Ontario, Canada
    Biography
      Reinhold Vieth is an Emeritus Professor at the University of Toronto in the Department of Laboratory Medicine and Pathobiology, as well as in the Department of Nutritional Sciences. In 2012 he received the Award for Research Excellence, from the Canadian Society of Clinical Chemists. He is an expert on the clinical nutrition, pharmacology and safety of vitamin D, with well over 100 publications on the subject.
       
      He has served as an expert advising on vitamin D-related matters for the Institutes of Medicine, and the Centers for Disease Control in Washington, as well as the American Geriatric Society. Recently, he served on a committee of the Canadian Academy of Health Sciences advising Health Canada on ways to modify public policy in that country in response to the new RDA's for vitamin D. He has been the principal investigator on many clinical trials involving vitamin D, and maintains a deep interest in the difficulties that evidence-based medicine faces when it comes to deciding on the role of nutrients, particularly vitamin D, for the prevention of disease.

    Abstract

    Recent studies show a large prevalence of Vitamin D deficiency and insufficiency in populations of all ages.  Concerns about excess supplementation and toxicity have emerged as a result.  This presentation explores Vitamin D levels where toxicity or hypercalcemia is a risk.


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