Many Americans Taking Excessively High Doses Of Vitamin D, causing cancer

eports almost 20% of adults in the US “are taking supplemental vitamin D, and a growing number are taking excessively high doses linked to an increased risk of fractures, falls, kidney stones and certain cancers,” according to the research letter published in the Journal of the American Medical Association. Vox (6/20, Belluz) reports Dr. Barry Kramer, the director of the National Cancer Institute’s cancer prevention division, says that the debate over vitamin D supplements reflects how the science surrounding it has evolved. HealthDay (6/20, Gordon) also covers the story. http://www.reuters.com/article/us-health-vitamind-supplements-idUSKBN19B2F0