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http://www.examiner.com/x-9920-Sacramento-...ep-a-stoke-away

As little as half an hour a day of moderate exercise may reduce your risk of
suffering a stroke, say researchers at the University of South Carolina's
PreventionResearchCenter. That's good news because stroke is the nation's third
leading cause of death.
The research was presented recently at the International Stroke Conference in
New Orleans. Researchers studied more than 61,000 adults at the
CooperAerobicsCenter in Dallas. After taking an initial treadmill test to
assess fitness, study participants periodically answered health surveys. The
study divided subjects into four levels of fitness and then looked at how many
of them suffered strokes, following them for an average of 18 years. Overall,
there were 863 stroke events during the study: 692 in men and 171 in women.