Originally published October 27 2005
Japanese study confirms link between exercise and cardiovascular health
by Mike Adams, the Health Ranger, NaturalNews Editor
Hiroyuki Noda, M.D. and Hiroyasu Iso, M.D., from the University of Tsukuba and the Graduate School of Medicine at Osaka University, authored a study that connects people who engage in walking or regular sports activity with reduced risks for heart disease and complications.
Even in an Asian nation where people generally have higher levels of physical activity on the job than is typical in North America or Europe, those who walk more or engage in regular sports activity tend to have lower levels of ischemic stroke and coronary heart disease, according to a new study in the Nov. 1, 2005, issue of the Journal of the American College of Cardiology.
"The strength of the present study is a statistical power sufficient to detect the effects of physical activity on mortality from cardiovascular disease.
We found a significant inverse association between time spent walking and the risk of ischemic stroke in addition to an inverse relationship between sports participation and risk of coronary heart disease in Asian countries, where job-related physical activity is generally higher than in Western countries," wrote the authors, including Hiroyuki Noda, M.D. and Hiroyasu Iso, M.D., from the University of Tsukuba in Ibaraki and the Graduate School of Medicine at Osaka University in Osaka, Japan.
The researchers used data collected as part of a large population study of cancer risk in Japan.
For this analysis, the researchers separated the participants into four categories according to the amount of daily walking or weekly sports activity they reported.
Consistent with results of studies done in North America and Europe, those who walked a least an hour a day or engaged in sports at least five hours per week had age-adjusted death rates from cardiovascular disease that were 20 to 60 percent lower than those in the second-lowest category of reported physical activity.
"Important strengths of this study include the large number of participants, the inclusion of both leisure and work activity and the extended follow-up period.
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