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News--
Drinking Tea Keeps Blood Pressure Down -- Study
Jul 27, 2004
CHICAGO (Reuters) - Drinkers of green and oolong tea
are less likely to develop high blood pressure than nondrinkers, a Taiwanese
study said on Monday.
The risk of hypertension, a condition that can lead to heart disease and
stroke, declined the more green or oolong tea was consumed regularly, the study
by researchers from National Cheng Kung University in Tainan, Taiwan, said.
Some varieties of tea contain 4,000 chemical compounds, including flavonoids
that help protect against heart attacks, strokes and kidney failure, study
author Yi-Ching Yang wrote in the report published in The Archives of Internal
Medicine.
None of the 1,500 participants suffered from hypertension at the start of the
study, and those who drank between 120 and 599 milliliters (4 to 20 fluid
ounces) of tea per day for at least a year prior had a 46 percent lower risk of
developing high blood pressure than nondrinkers.
Drinking 600 milliliters of tea or more a day lowered the risk of
hypertension by 65 percent, the study showed.
Few of the participants drank black tea.
About 40 percent of the study subjects were regular tea drinkers, and they
were more likely to be younger men who smoked more, drank more alcohol and ate
fewer vegetables.
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