Thursday, February 23, 2006

Green tea may reduce, but black tea may increase breast cancer risk

"Drinking five cups of green tea a day can reduce the risk of breast cancer by 22 per cent, claims a meta-analysis of previous studies, the same studies that the FDA recently said contained very little science to support the claims."

"The anti-cancer effects of tea have been linked to the polyphenol content of the tea. Green tea contains between 30 and 40 per cent of water-extractable polyphenols, while black tea (green tea that has been oxidized by fermentation) contains between 3 and 10 per cent."

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