First study of its kind extends linkage beyond North America and Europe
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.
Amy Murphy | EurekAlert!
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Researchers have developed a water cloaking concept based on electromagnetic forces that could eliminate an object's wake, greatly reducing its drag while...
Tiny pores at a cell's entryway act as miniature bouncers, letting in some electrically charged atoms--ions--but blocking others. Operating as exquisitely sensitive filters, these "ion channels" play a critical role in biological functions such as muscle contraction and the firing of brain cells.
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The miniaturization of the current technology of storage media is hindered by fundamental limits of quantum mechanics. A new approach consists in using so-called spin-crossover molecules as the smallest possible storage unit. Similar to normal hard drives, these special molecules can save information via their magnetic state. A research team from Kiel University has now managed to successfully place a new class of spin-crossover molecules onto a surface and to improve the molecule’s storage capacity. The storage density of conventional hard drives could therefore theoretically be increased by more than one hundred fold. The study has been published in the scientific journal Nano Letters.
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With innovative experiments, researchers at the Helmholtz-Zentrums Geesthacht and the Technical University Hamburg unravel why tiny metallic structures are extremely strong
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An interdisciplinary group of researchers interfaced individual bacteria with a computer to build a hybrid bio-digital circuit - Study published in Nature Communications
Scientists at the Institute of Science and Technology Austria (IST Austria) have managed to control the behavior of individual bacteria by connecting them to a...
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