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

    This blog ran from 2006 to 2016 and was 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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