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A cuppa Cancer Prevention?

old message Green tea, brewed or extracted, may help you dodge the big C. Darrell Miller 05/20/06
old message Anti-Cancer Activity Darrell Miller 05/20/06
old message Your Brain on Tea Darrell Miller 05/20/06


TopPreviousNextListen To An Article On Green tea, brewed or extracted, may help you dodge the big C.

Date: May 20, 2006 12:14 PM
Author:
Subject: Green tea, brewed or extracted, may help you dodge the big C.

Has anything garnered more health-news headlines than tea lately? It seems that every time you turn around a new study is published that links this venerable beverage to increased well-being. Of course none of this is news to the Chinese, who have been singing tea’s praises—and using it to fight fatigue, strengthen memory and aid digestion—ever since its discovery by the semi-mythical emperor Shen Nung.

As Tea spread throughout Asia, other folks quick to catch on. “Tea has an extraordinary power to prolong life,: proclaimed Kitcha Yojoki, who introduced Zen Buddhism to Japan. “Anywhere a person cultivates tea, long life will follow.”



TopPreviousNextListen To An Article On Anti-Cancer Activity

Date: May 20, 2006 12:15 PM
Author:
Subject: Anti-Cancer Activity

Today’s scientists might be less poetic that tea’s ancient admirers. But they are no less impressed by the fragrant beverage’s lengthy list of health-boosting compounds, including a powerful antioxidant called epigallocatechin gallate (EGCG) that may interfere with potentially harmful genetic changes. Researchers at the University of Rochester (New York) Medical Center have found that EGCG binds to a protein called HSP90, jamming an important gene-damaging mechanism (biochemistry 4/5/05). Tea may also help stymie cancer development by interacting with toxin-neutralizing enzymes in the liver and by encouraging apoptosis, a process that causes cells to die when their useful life is over.

Studies of actual tea-drinking humans have had mixed results; some show a cancer-preventive effect, others don’t. The most promising research comes from China, where green tea is the beverage of choice. Among more than 18,000 men, those who drank tea were half as likely to develop cancer of the stomach or esophagus (which leads from the mouth to the stomach) as non-imbibers (Carcinogenesis 9/02).

Americans have traditionally favored black tea, which has different chemical properties. A 2005 American Institute for Cancer Research survey showed that only 15% of the US population drinks green tea on any given day and less than 1% matches the per-person consumption seen in Asia (although green tea sales have climbed considerably in recent years).

Meanwhile, the good news continues to pour in. in February, an investigation published in the Journal Carcinogenesis found a 22% drop in breast cancer risk among women who quaffed five cups a day. And in two preliminary studies, green tea extract, which provides tea compounds in an easy-to-take, form, has been linked to reduced risk of cancer in men with precancerous prostate changes and has benefited people with leukemia.



TopPreviousNextListen To An Article On Your Brain on Tea

Date: May 20, 2006 12:17 PM
Author:
Subject: Your Brain on Tea

In addition to supporting heart health, tea’s powerful phytonutrients have been found to beef up bones: British researchers found that women aged 65 to 75 who drank at least a cup a day had higher bone densities in their hips and spines—common sites for osteoporotic bone loss—than women who didn’t take tea (American Journal of Clinical Nutrition 4/00). What’s more, early studies indicate that tea might help moderate excessive immune response that causes disorders such as lupus.

The most intriguing research, however, involves the brain. According to Japanese scientist, drinking more than two cups of green tea a day drops dementia risk among older people (AJCN 2/06).

So remember the acient Chinese proverb: “Better to be deprived of food for three days, than tea for one.” And if you don’t have time for a freshly brewed cup, green tea extract is the next best thing. –Lisa James, Energy Times.



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