Vitamin D: The Sunshine Vitamin and the Prevention of Chronic Disease!

• Dr Michael F. Holick delivers a great and humorous lecture in this seminar: “D-Lightful Vitamin D: Bone and Muscle Health. Prevention of Autoimmune and Chronic Disease” . This is one video which medical students should watch. Vitamin D can prevent cancer! Does this surprise you? Watch the video!
    
  Vitamin D is Called the Sunshine Vitamin for Good Reason
  Michael F. Holick, PhD, MD
  Professor of Medicine, Physiology and Biophysics
  Director of the General Clinical Research Center
  Director of the Vitamin D, Skin and Bone Research Laboratory
  Director, Biologic Effects of Light Research Center
  Boston University Medical Center
   
  Vitamin D is not a vitamin but a hormone. It is unique in that it is made in the skin as a result of exposure to sunlight. Photosynthesis of vitamin D has been occurring on earth for more than 750 million years. Some of the earliest life forms that were exposed to sunlight for their energy requirement were also photosynthesizing vitamin D. Both children and adults have in the past depended on adequate sun exposure to satisfy their vitamin D requirement. It is well documented that at the turn of the last century upwards of 80% of children in the industrialized, polluted cities of northern Europe and northeastern United States suffered from the devastating consequences of vitamin D deficiency rickets. The skin has a large capacity to make vitamin D. Exposure of a person in a bathing suit to a minimal erythemal dose of sunlight, which is typically no more than 15-20 minutes on Cape Cod in June or July at noon time, is the equivalent to taking 20,000 IU of vitamin D orally. It is now well documented that in the absence of any sun exposure 1,000 IU of vitamin D3 a day is necessary to maintain healthy levels of 25-hydroxyvitamin D in the circulation. An analysis of the NHANES III data has demonstrated that neither children nor adults are receiving an adequate amount of vitamin D from their diet or from supplements.
   
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• See also :
   
  Vitamin D The ‘Wonder Drug’, Sunlight and Skin Cancer
  Reduce Your Risk of Cancer With Sunlight Exposure
  Overwhelming Evidence That Sunlight Fights Cancer
  Avoid Flu Shots With Vitamin D
  Can Vitamin D Cure the Common Cold?
  Facts About Sunlight and Skin Cancer
  Valuable Insights Into the Importance of Vitamin D and Sun
  Vitamin D Fights Breast Cancer
  Vitamin D Deficiency is Major Health Risk
  Vitamin D Reduces Colon Cancer
  Vitamin D Lowers Risk of Type 1 Diabetes
  Why Vitamin D Protects You Against Cancer
  Breakthrough Updates You Need to Know on Vitamin D

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