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Stroke Incidence Halved in Green Tea Drinkers
Participants: 5,910 non-drinking,
non-smoking women age 40 or older
Where: Japan
Type of study: Observational
Study Methods: Tea drinking habits and
incidence of stroke were tracked during a 4-year follow-up period
What happened: While 2% of those who
drank no green tea had strokes or a history of stroke, only 0.4% of those who
drank 3-4 cups per day had strokes or stroke history.
During the follow-up period, those who drank more than 5 cups of green tea
daily had half the incidence of stroke and cerebral hemorrhage than those who
drank less.
Researchers' conclusion: "The incidence
of stroke and cerebral hemorrhage during a 4-year follow-up of the study
population was twice or more times higher in those who took less green tea (less
than 5 cups a day) than in those who took more (greater than or equal to 5 cups
daily.)"
Citation: Sato Y, Nakatsuka H, Watanabe
T, et al. Possible contribution of green tea drinking habits to the prevention
of stroke. Tohoku J Exp Med 1989;157(4):337-43. (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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