Further evidence supports tea drinking to reduce the risk of heart
TORONTO, Feb. 19 /CNW/ - Canada is an established tea-drinking country
that consumes over 9 billion cups of tea each year.(1) In fact, tea
consumption is expected to jump 40 per cent by 2020, as growing consumer
interest in health and wellness has led to increasing awareness of tea's
functional benefits.(2) Study findings presented today at the American Heart
Association's International Stroke Conference (ISC) provides further insight
into the many health benefits of tea. Researchers have found that regardless
of country of origin or type of tea consumed, the consumption of three cups of
black or green tea per day is associated with an average 21 per cent lower
risk of ischemic stroke compared to non tea drinkers.
The meta-analysis pooled nine studies involving 4,378 stroke occurrences
from 195,000 individuals. Data was drawn from six countries - China, Japan,
Finland, the Netherlands, Australia and the US - with the main outcome of
fatal or non-fatal stroke.
Dr. Lenore Arab, PhD, Professor, Department of Medicine and Dept of
Biological Chemistry, David Geffen School of Medicine at UCLA, who lead the
research program explained, "This Meta analysis suggests that daily increase
in consumption to three cups of tea per day could lower the risk of ischemic
stroke by 21 per cent. These findings relate to black and green teas but not
Stroke is the second most common cause of death globally, claiming 5.4
million lives per year. It is a major cause of disability and has a
significant impact on quality of life. Of the two types of stroke - ischemic
and hemorrhagic - ischemic stroke accounts for around 83 per cent of all
stroke cases. Stroke is the third-leading cause of death in Canada with more
than 50,000 strokes occurring each year, and about 15,000 people suffering
from a Transient Ischemic Attack or TIA - an occurrence also known as a
"mini-stroke" which is caused by a temporary interruption of blood flow to the
This research was supported by the Lipton Institute of Tea and conducted
at the University of California, Los Angeles (UCLA). The Lipton Institute of
Tea aims to support research that examines the mental and physical health
benefits of tea consumption, including hydration, heart disease and cognitive
"In recent years, a body of scientific evidence has shown that regular
tea drinking can have an important role in health and wellness," says Douglas
Balentine, Ph.D., Lipton Institute of Tea. "This new study provides further
support that regular tea drinking may be one of the most actionable lifestyle
changes a consumer can make to help maintain heart health."
A full copy of the research study, Green and Black Tea Consumption and
Risk of Stroke: A Meta Analysis, will be available online in Stroke at
http://stroke.ahajournals.org on Thursday, February 19th, 2009 at 8:30 a.m.
PST (11:30 a.m. EST).
About the Lipton Institute of Tea
The Lipton Institute of Tea's mission is to promote awareness and
understanding of tea, from bush to cup. Research focuses on how tea is made,
its properties and its health benefits. With headquarters in Sharnbrook, UK,
the Institute consists of international scientific experts from research
centers located in major tea growing regions - India & Kenya - and in key
beverage markets - US, Japan & China. For more info please visit
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(1) Statistics Canada. 2008. Beverage Consumption of Canadian Adults
Component of Statistics Canada Catalogue no. 82-003-X. Ottawa.
November 2008. 8 p. 2004 Canadian Community Health Survey.
(accessed February 13, 2009.)
(2) Canadian Food Trends to 2020, Agriculture and Agri-Food Canada,
(3) Heart and Stroke Foundation:
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