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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    Yoga benefits in healthy pregnant women

     Researchers from Swami Vivekananda Yoga Research Foundation in Bangalore, India measured the effect of yoga on perceived stress.

    First, the details.

    • 122 healthy pregnant women between the 18th and 20th week of pregnancy were randomly assigned to treatment 1-hour daily.
      • Practicing yoga and deep relaxation
      • Standard prenatal exercises

    And, the results.

    • 45 participants per group who completed the study were evaluated.
    • Perceived stress decreased by 32% in the yoga group but increased 7% with standard exercise — a significant difference.
    • During guided relaxation in the yoga group, parasympathetic activity (slowing effect) on the heart increased 64% in the 20th week and 150% in the 36th week.
    • Sympathetic activity (acts to increase heart rate) became significantly reduced between the groups and continued to be reduced throughout the study.

    The bottom line?
    It’s not clear from the abstract why more than one-quarter of the women dropped out of the study.

    Based on those who completed treatment, the authors concluded, “Yoga reduces perceived stress and improves adaptive autonomic response to stress in healthy pregnant women.”

    If you’re pregnant, tell you doctor about your yoga activities. Useful information to prepare for this discussion is here.

    12/27/08 20:27 JR

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