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 levels and adiposity

    Researchers at the University of Michigan, in Ann Arbor, investigated the association between vitamin D and BMI (body mass index).

    First, the details.

    • In a randomly selected group of 479 schoolchildren, vitamin D blood levels (25-hydroxyvitamin D [25(OH)D) were measured.
      • Deficient [25(OH)D concentrations: less than 50 nmol/L]
      • Insufficient [50 to less than 75 nmol/L]
      • Sufficient [at least 75 nmol/L]
    • Anthropometric (human body measurement) variables were recorded annually for about 30 months.
    • The average change in each anthropometric indicator according to baseline vitamin D status was calculated.

    And, the results.

    • Vitamin D-deficient children had a significantly greater change in BMI (body mas index) than vitamin D-sufficient children.
    • Similarly, vitamin D-deficient children had a significant increase in anthropometric measurements, including a greater change in waist circumference vs vitamin D-sufficient children.
    • Vitamin D deficiency was related to significantly slower linear growth in girls but not in boys.

    The bottom line?

    The authors concluded, “Vitamin D serostatus [blood level] was inversely associated with the development of adiposity in school-age children.

    It’s another reason to update the supplement recommendations for vitamin D.

    12/9/10 20:20 JR

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