Cancer fighting green tea may have a dark side
By Janet Raloff, 16:39 PM February 5, 2009
For more than a decade, study after study has extolled the cancer-fighting virtues of green tea, or at least extracts of its polyphenol antioxidants. But preliminary data now suggest that for some people this herbal remedy may not prove beneficial — or even benign. In test-tube experiments on cancer cells and in animals, green tea’s polyphenols inactivated the cell-killing activity of a drug used to treat blood cancers.
Physicians prescribe bortezomib, a drug sold under the trade name Velca...
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