Animals In Print
The On-Line Newsletter
From 22 December 2005 Issue
Can Soy Cure Cancer?
By Robert Cohen
A reader (Joy from Florida) wrote:
"My dad has been diagnosed with colon cancer and does not want to have chemo or radiation. I agree. Is there any real evidence that the consumption of soy can cure cancer in humans?"
After reviewing the scientific literature, I've found many rat/soy studies, but I completely reject animal studies as being worthless. However, one recently published study in a peer-reviewed scientific journal brings hope to those seeking alternative options to the traditional horrors of chemo and radiation therapies.
"Cancer Letters" is a journal that publishes cancer research studies. In its own words, the journal places emphasis on "molecular and cell biology of cancer, oncogenes, carcinogenesis, radiation biology, molecular pathology, hormones and cancer, viral oncology, biology of cancer and metastasis, molecular cytogenetics, epidemiology; and experimental therapeutics."
The July 8, 2004 issue of Cancer Letters (210(1):1-6) contains a study performed on human colon cancer cells suggesting that saponin, a soy isoflavone, reduces the risk of death by colon cancer. The authors write:
"The results indicate that crude saponin (from soy extract) decreased cell growth in a dose- and time-dependent manner.
Crude soy saponin extract suppressed the degradation of IkappaBalpha in PMA-stimulated cells, while COX-2 and PKC expressions were significantly down-regulated. These findings support the hypothesis that the soy saponins reduce the risk of colon tumorigenesis possibly by suppressing inflammatory responses."
Soybeans naturally contain isoflavones and bioflavinoids which previous scientific publications have identified as preventing bone loss, lowering LDL cholesterol levels, easing symptoms of menopause, and fighting cancers. These plant substances include genisten, protease inhibitors, lignans, and saponins. Saponins have been identified as plant cleansers or detergents. They can commonly be found in desert plants, such as yucca and aloe vera. Saponons also have antifungal and antibacterial properties, and strengthen a plant's immune system. Apparently, they strengthen the human immune system too.
Beans contain saponins, but no bean has a greater amount of saponins than soy.
Saponins have been used as ancient Chinese medicine to treat heart conditions, and for the past 150 years as digitalis (from the Foxglove plant). Saponins help the heart to expel fatty plaque-like substances from the cardiovascular system and in doing so, lower blood serum cholesterol levels.
Discover the joy of soy, and help your father to understand that foods containing isoflavones such as soy may very well become his best medicine.
Go on to
Greenies Allegedly Cause Dogs Death
Return to Animals in Print 22 December 2005 Issue
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