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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    Soy and the risk of death after breast cancer diagnosis

    breast-cancer-ribbonjpgResearchers at the Vanderbilt Epidemiology Center, in Nashville, Tennessee, evaluated the association between soy food after breast cancer diagnosis and mortality.

    First, the details.

    • 5042 breast cancer survivors in China were followed for 4 years.
    • Information on diagnosis and treatment, lifestyle exposures after cancer diagnosis, and disease progression was collected at approximately 6 months.
    • Cancer diagnosis was reassessed at 18, 36, and 60 months after diagnosis.

    And, the results.

    • There were 444 deaths and 534 recurrences or breast cancer-related deaths in 5033 surgically treated breast cancer patients.
    • Higher soy food intake, as measured by soy protein or soy isoflavone, was associated with less mortality and recurrence.
    • When the highest and lowest soy intake was compared, 4-year mortality rates were 10% and 7%, and the 4-year recurrence rates were 11% and 8%, respectively.
    • The inverse association was evident among women with either estrogen receptor-positive or -negative breast cancer in both users and nonusers of tamoxifen.

    The bottom line?

    The authors concluded, “Among women with breast cancer, soy food consumption was significantly associated with decreased risk of death and recurrence.”

    Earlier this year, the Vanderbilt researchers reported that the same study showed there was “strong evidence of a protective effect of soy food intake against premenopausal breast cancer.”

    12/10/09 20:26 JR

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