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Green tea prevents blood cancer

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By David Liu (davidl@foodconsumer.org)


Drinking a few cups of green tea daily may significantly reduce risk of blood and lymph cancers, a new Japanese study in the American Journal of Epidemiology suggests.

The study shows that drinking five or more cups of green tea per day may cut the risk of the named cancers by as much as 50 percent.

Drinking five or more cups of green tea each day was also associated with a 42 percent reduction in the risk of hematologic malignancies and a 48 percent reduction in the risk of lymphoid neoplasms, according to the study report.

Toru Naganuma at Tohoku University School of Medicine in Japan and colleagues conducted the study to examine the anti-cancer properties of green tea, which is known to be high in polyphenols.

Previous biochemical research has shown the green tea ingredients mainly for polyphenols known as epigallocatechin gallate (EGCG), epigallocatechin (EGC), epicatechin gallate (ECG), and epicatechin (EC), particularly EGCG, may help fight cancer cells by promoting apoptosis of cancerous cells.

For the study, Naganuma and team followed 41,761 adults enrolled in the Ohsaki National Health Insurance Cohort Study.

During the nine-year follow-up, 157 cases of cancer including 119 cases of lymphoid neoplasms and 36 cases of myeloid neoplasms were recorded.

The researchers found participants who drank five or more cups of green tea each day were much less likely to develop the named cancers. The risk reduction was not affected by their gender and body mass index.

The finding does not suggest a causal relation between drinking green tea and lower incidence of cancer. Based on early research, the causal relation is possible.

Subscribe to comments feed Comments (6 posted):

www.greenbean-store.com on 08/01/2009 23:08:12
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alternative medicine, holistic on 08/02/2009 20:30:01
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Since green tea contains antioxidants, they are believed to lower the toxicity some carcinogens. It also boost your immunity.
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protein on 09/16/2009 10:27:40
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Green Tea is the well-known "wonder drug" known to give its drinkers a host of health benefits. People who drink green tea have significantly lower risk of cancer. Green tea has been shown to counteract both the initiation and promotion of carcinogenesis. Green Tea has been shown to lower LDL cholesterol and serum triglyceride levels. The potent antioxidant effects of green tea inhibit the oxidation of LDL cholesterol in the arteries. It plays a major contributory role in the formation of atherosclerosis.
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vitamines on 09/17/2009 07:51:10
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There will be a huge benefit if we include green tea to our daily diet. It will cure our modern day diseases like hypertension and heart attack. Thanks for this well written article with every benefits of green tea. I hope people will read and understand benefits of it.
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Green Tea on 10/08/2009 21:30:51
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Sometimes I think we overemphasize green tea at the expense of other types of tea. Black and Oolong tea also contains catechins. Green tea is so over-hyped; I think it's become a bit of a fad. Yes, it's beneficial, but so are other types of tea.
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teadrinker on 01/13/2010 19:35:31
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green is indeed is a wonder drug.its thousand-years-wisdom cant be discrdited even by modern science.drink green tea to your health and make it part of your daily habit.dont wait for the FDA to affirm its effectivity. me personally, by the time it will, greedy capitalist will make the tea very expensive.
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