Green Tea Reduces
Risk of Gastric Cancer in Women
Participants: Beginning
in 1990, 72,943 people were followed by researchers from the National
Cancer Center in Japan. By the year 2000, 892 of them had been diagnosed
with gastric cancer.
Where: Japan
Type of study:
Population-based prospective
Study methods: All of
the volunteers filled out lifestyle questionnaires detailing their
medical histories, diet, smoking habits, and consumption of green tea,
black tea and coffee, among other things. Researchers compared the
answers of those who had gastric cancer to the answers of
those who did not have the cancer.
What happened: For distal gastric cancer (cancer
in the lower part of the stomach, where it connects to the small
intestine), a decrease in risk
of almost 50% was seen among
women who drank 5 or more cups of green tea daily. However, no decrease
was seen in men.
Researchers' conclusion:
“An inverse association between green tea consumption and distal gastric
cancer was observed among women.”
Citation: Sasazuki S,
Inoue M, Hanaoka T, et al. Green tea consumption and subsequent risk of
gastric cancer by subsite: the JPHC Study. Cancer Causes & Control
2004;15(5):483-91. (Click
here to read PubMed study abstract.)
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Nadine Taylor, M.S., R.D. presents
GreenTeaLibrary.com,
the most comprehensive collection of scientific information
describing the health benefits of green tea.
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