Thursday, December 9, 2010

What evidence from human studies links tea to cancer prevention?


Comprehensive review by National Health Institute

Tea has long been regarded as an aid to good health, and many believe it can help reduce the risk of cancer. Most studies of tea and cancer prevention have focused on green tea (13). Although tea and/or tea polyphenols have been found in animal studies to inhibit tumorigenesis at different organ sites, including the skin, lung, oral cavity, esophagus, stomach, small intestine, colon, liver, pancreas, and mammary gland (24), the results of human studies—both epidemiologic and clinical studies—have been inconclusive.

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