| -A discovery is said to be an accident
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| | How Do They Work?
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| meeting a prepared mind, Albert von
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| | Green tea polyphenols have corroborated
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| Szent-Gyorgyi (1893 - 1986)
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| | several cancer preventive properties. In
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| Or as I like to say... When the student
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| | addition to antioxidant activity, these
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| is ready, the teacher shall appear! By
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| | compounds may as previously mentioned
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| the way, have I said how much I
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| | have shown to reduce abnormal cell growth
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| passionately enjoy green tea, the
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| | and inflammation; help the body get rid
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| personal benefits I have witnessed from
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| | of cancer-causing agents; and restore
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| green tea and what a fantastic unearthing
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| | communication between different cells in
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| this 'ancient medicine' is for modern
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| | the body.
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| western living?
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| | On Cancer... The Facts
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| After a good deal of research, I have
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| | The relationship between green tea
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| found that there isn't any other food or
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| | consumption and human cancer has been
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| drink in general consumption reported to
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| | studied in several different populations
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| have the innumerable health benefits that
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| | and at various cancer sites. Some of the
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| green tea possesses...none!
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| | studies comparing green tea drinkers to
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| The Chinese have known about the
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| | non-green tea drinkers support the claim
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| medicinal benefits of green tea since
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| | that green tea-drinking, in fact prevents
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| ancient times, using it to treat
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| | certain types of cancer. Certain dietary,
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| everything from headaches and lethargia
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| | environmental, and population differences
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| to depression. And did you know that
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| | may account for these discrepancies. In
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| green tea has been used as a medicine in
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| | animal studies, different tea extracts,
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| China for over 4,000 years... When will
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| | tea polyphenol mixtures, purified tea
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| we westerners learn?
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| | components, and tea infusions as the sole
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| At present, in both Asia and America,
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| | drinking fluid have more consistently
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| scientific research is providing a more
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| | been shown to prevent cancer, including
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| than solid substantiation for the health
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| | cancers of the colon, esophagus, liver,
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| benefits long associated with drinking
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| | stomach, lung, breast, pancreas, and
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| green tea. For instance, in 1994 the
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| | skin. The purified component,
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| Journal of the National Cancer Institute
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| | epigallocatechin gallate (EGCG),
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| published the results of an
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| | prevented colon cancer, but did not
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| epidemiological study demonstrating that
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| | prevent cancer of the esophagus in animal
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| drinking green tea reduced the risk of
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| | models. A polyphenol mixture with EGCG,
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| esophageal cancer in Chinese men and
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| | called Polyphenon E, has also shown
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| women by nearly sixty percent.
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| | cancer preventive properties in animals.
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| Conversely, University of Purdue
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| | Animal studies were inconclusive as to
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| researchers recently concluded that a
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| | whether EGCG or Polyphenol E caused DNA
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| compound in green tea inhibits the growth
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| | mutations that might trigger cancer
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| of cancer cells. There is also research
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| | growth. Both EGCG and Polyphenon E are
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| indicating that drinking green tea lowers
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| | being tested for safety and efficacy in
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| total cholesterol levels, as well as
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| | humans.
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| improving the ratio of good (HDL)
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| | Slower Prostate Cancer Cell Growth Found
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| cholesterol to bad (LDL) cholesterol.
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| | From Consumption Of Green And Black Tea
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| To abridge just a few of the medical
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| | A study at The Experimental Biology 2004,
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| conditions in which drinking green tea
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| | in Washington, D.C., reported as part of
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| has proved to be helpful:impaired immune
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| | the scientific program of the American
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| system functioncardiovascular
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| | Society of Nutritional Sciences,
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| diseasecancerrheumatoid arthritiselevated
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| | anti-tumor effects of green and black tea
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| cholesterol levelsnumerous types of
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| | polyphenols in human tissue. And
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| infectionsmuscle wasting diseases
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| | researchers at the University of
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| Green tea's 'secret' lies in the fact it
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| | California at Los Angeles found and were
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| is rich in catechin polyphenols,
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| | able to detect tea polyphenols in
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| particularly epigallocatechin gallate
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| | prostate tissue after a very limited
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| (EGCG). EGCG is a powerful anti-oxidant:
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| | consumption of the tea. More notably, the
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| besides inhibiting the growth of cancer
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| | scientists found that prostate cancer
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| cells, it kills cancer cells without
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| | cells grew more slowly when placed in a
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| harming healthy tissue. It has also been
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| | medium containing blood serum of men who
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| exceedingly effective in lowering LDL
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| | had consumed either green or black tea
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| cholesterol levels, and inhibiting the
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| | for five days compared to serum collected
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| abnormal formation of blood clots. The
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| | before the men began their tea-drinking
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| preceding takes on added importance when
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| | regimen. Serum from men who drank
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| you consider that thrombosis (the
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| | comparable amounts of diet or regular
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| formation of abnormal blood clots) is the
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| | soda showed no such slowing in cancer
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| foremost cause of heart attacks and
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| | cell proliferation.
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| stroke. Quite startling, don't you think?
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| | Consequently, Dr. Susanne Henning, UCLA
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| For The Record Books...
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| | Center for Human Nutrition, pronounced
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| Correlates are being drawn between the
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| | that the UCLA research team - a
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| effects of drinking green tea and the
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| | combination of nutrition scientists and
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| "French Paradox." For years, researchers
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| | urologists - focused on the feasible
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| were mystified by the fact that, despite
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| | outcome of tea polyphenols on factors
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| consuming a diet rich in saturated fat,
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| | named polyamines and the enzymes
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| the French have a lower incidence of
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| | responsible for the production of
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| heart disease than Americans. The answer
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| | polyamines. Elevated levels of polyamines
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| was found to lie in red wine, which
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| | have been connected with malignancy in
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| contains resveratrol, a polyphenol that
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| | humans, including prostate cancer, and -
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| limits the negative effects of smoking
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| | since polyamines are current in prostate
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| and a fatty diet. In a 1997 study,
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| | tissue in high concentration - are
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| researchers from the University of Kansas
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| | considered a logical target for
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| concluded that EGCG is twice as powerful
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| | chemoprevention of prostate cancer.
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| as resveratrol, which may explain why the
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| | Prostate cancer is one of the most
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| rate of heart disease among Japanese men
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| | widespread cancers among males in the
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| is significantly low, even though in
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| | United States, and more than a fourth of
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| excess of seventy-five percent are
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| | all those patients with prostate cancer
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| smokers.
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| | are known to use alternative therapies,
|
| So why don't other Chinese teas have
| |
| | including green tea. This study suggests
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| similar earth-shaking health benefits?
| |
| | that both black and green tea are
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| Green, oolong, and black teas all come
| |
| | promising natural dietary supplements
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| from the leaves of the Camellia sinensis
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| | useful for chemoprevention of prostate
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| plant. What sets green tea apart is the
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| | cancer, according to Dr. Henning. She
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| way it is processed.In particular, green
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| | plans to investigate if this effect can
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| tea leaves are steamed, which prevents
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| | be enhanced by consuming larger amounts
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| the EGCG compound from being oxidized. By
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| | of tea polyphenols in the form of green
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| contrast, black and oolong tea leaves are
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| | tea extract supplement capsules.
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| processed from fermented leaves, which
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| | So If It's That Good, How Much Should I
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| results in the EGCG being transformed
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| | Drink?
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| into other compounds that are not nearly
| |
| | Strangely enough, there are as many
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| as effective in preventing and fighting
| |
| | answers to this question as there are
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| various conditions and diseases.
| |
| | researchers investigating the beneficial
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| Some Additional Benefits...
| |
| | properties of green tea and polyphenols.
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| The latest evidence emerging is that
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| | Herbs for Health magazine mentions a
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| green tea can even help dieters attain
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| | Japanese report citing that men who drank
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| success more rapidly an efficiently. In
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| | ten cups of green tea per day stayed
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| November, 1999, the American Journal of
| |
| | cancer-free for three years longer than
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| Clinical Nutrition published the results
| |
| | men who drank less than three cups a day
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| of a study at the University of Geneva in
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| | (there are approximately 240 - 320 mg of
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| Switzerland. Researchers found that men
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| | polyphenols in three cups of green tea).
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| who were given a combination of caffeine
| |
| | Meanwhile, a study by Cleveland's Western
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| and green tea extract burned more
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| | Reserve University concluded that
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| calories than those given only caffeine
| |
| | drinking four or more cups of green tea
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| or a placebo.
| |
| | per day could help prevent rheumatoid
|
| Incidentally, green tea can even help
| |
| | arthritis, or reduce symptoms in
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| prevent tooth decay! Just as its
| |
| | individuals already suffering from the
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| bacteria-destroying abilities can help
| |
| | disease. And Japanese scientists at the
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| prevent food poisoning, it can also kill
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| | Saitama Cancer Research Institute have
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| the bacterium that causes dental plaque.
| |
| | discovered that there were fewer
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| Meanwhile, skin preparations containing
| |
| | recurrences of breast cancer, and the
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| green tea - from deodorants to creams -
| |
| | disease spread less quickly, in women
|
| are starting to appear on the market
| |
| | with a history of drinking five cups or
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| showing positive effects.
| |
| | more of green tea daily.
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| The Potential Unsafe Effects?
| |
| | A University of California study on the
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| As of today, the only adverse side effect
| |
| | cancer-preventative qualities of green
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| reported from drinking green tea is mild
| |
| | tea concluded that you could probably
|
| insomnia due to the fact that it contains
| |
| | attain the desired level of polyphenols
|
| caffeine. On the other hand, green tea
| |
| | by drinking merely two cups per day. So
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| contains much less caffeine than coffee
| |
| | which is it? I personally don't buy the
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| and most soda: there are approximately
| |
| | hype that those that manufacture and sell
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| thirty to sixty mg. of caffeine in six -
| |
| | green tea products are
|
| eight ounces of tea, compared to over
| |
| | propagating...moderation is, like with
|
| one-hundred mg. in eight ounces of coffee
| |
| | all things probably your best bet! But
|
| and can you imagine the huge contrast in
| |
| | given all the evidence, it is almost
|
| caffeine content between green tea and
| |
| | certainly safe to plan on drinking four
|
| these 'new' high-tech energy drinks that
| |
| | to five cups of green tea daily. If
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| are currently being consumed by the
| |
| | you're a real aficionado, by all means
|
| masses with such ravenous voracity.
| |
| | imbibe more; but whether or not you'll
|
| Green Tea Polyphenols, What Are They You
| |
| | derive added health benefits remains to
|
| Ask?
| |
| | be determined.
|
| Specifically, tea polyphenols are
| |
| | Okay, enough science... Let's all just
|
| compounds in tea leaves that are natural
| |
| | relax and have a cup of green tea or if
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| plant antioxidants. Antioxidants have
| |
| | you like your beverages cold like I do, a
|
| been proven to prevent damage caused by
| |
| | glass of 'iced' green tea.
|
| free radicals to DNA and other molecules.
| |
| |
|
