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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    Taping the mouth at night to improve asthma control

    Nose breathing might benefit patients with asthma because it ensures that inspired air is warm, filtered, and moist.

    But researchers at the University of Nottingham, in the UK say don’t hold your breath.

    First, the details.

    • 50 people with symptomatic asthma (FEV1 86% predicted) were randomly assigned to take 4 weeks of usual breathing at night followed by mouth taping with microporous tape, as in the Buteyko (photo) technique, or vice versa.
      • FEV1 (forced expiratory volume) is the fraction of total amount of air in the lungs that can be exhaled in 1 second.
    • A 2-week break was taken between treatments.
    • The researchers were not aware of the treatment given — single blind.

    And, the results.

    • 36 participants said mouth taping was very or fairly acceptable.
    • However, there were no differences between treatments in morning peak expiratory flow or symptoms scores.
      • Peak expiratory flow rate measures how fast a person can exhale.

    The bottom line?

    Taping the mouth at night had no effect on asthma control in patients with symptomatic asthma.

    More on the Buteyko technique is discussed here.

    3/12/10 20:19 JR

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