The C.A.M. Report
Complementary and Alternative Medicine: Fair, Balanced, and to the Point
  • About this web log

    This blog is intended as an objective and dispassionate source of information on the latest CAM research. Since my background is in pharmacy and allopathic medicine, I view all CAM as advancing through the development pipeline to eventually become integrated into mainstream medical practice. Some will succeed while others fail. But all are treated fairly here.

  • About the author

    John Russo, Jr., PharmD, is president of The MedCom Resource, Inc. Previously, he was senior vice president of medical communications at, a complementary and alternative medicine website.

  • Common sense considerations

    The material on this weblog is for informational purposes. It is not medical advice or counsel. Be smart, consult your health professional before using CAM.

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    Vitamin D and high blood sugar levels in the elderly

    Researchers at the University College London, in the UK, investigated the association between vitamin D levels and hyperglycemia in older people.

    First, the details.

    • 2038 elderly adults were surveyed.
    • Blood levels of 25-hydroxy vitamin D (25(OH) D) levels, A1c and age, gender, social class, season of examination, use of vitamin supplements, and physical health status were measured.
      • Evidence supports using A1c as a diagnostic test for diabetes mellitus.

    And, the results.

    • High blood sugar levels were independently associated with low vitamin D levels (less than 25 nmol/L and 25 to 49.9 nmol/L) but not for 25(OH)D between 50.0 and 74.9 nmol/L.

    The bottom line?

    The authors concluded, “The higher-than-expected co-occurrence of low vitamin D levels and hyperglycemia (A1c at least 6.5%) are important public health concerns for older populations living in northern latitudes because both are common, and both have substantial adverse health consequences.”

    “Ensuring adequate vitamin D levels,” say the authors, “may help reverse the increasing trend in the development of diabetes mellitus and related complications in older people.”

    A growing body of research suggests that vitamin D might play some role in the prevention and treatment of type 1 and type 2 diabetes. However, there’s insufficient evidence to strongly link vitamin D levels and hyperglycemia because a variety of factors may be affecting the association. More research is needed.

    1/29/12 20:30 JR

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