A leading stroke researcher says the aging of the American population means that more people are at risk for stroke, and unless new approaches are developed to reduce stroke incidence, it will surpass heart attacks and cancer as the major cause of long-term disability and premature death.
"…The heart will no longer be the cause of most sudden deaths, leaving behind an ever-growing population of the elderly disabled by stroke and vascular dementia …," writes James F. Toole, M.D., and colleagues from Wake Forest University Baptist Medical Center in an editorial in the current issue of the Journal of the American Medical Association (JAMA).
Toole, past president of the International Stroke Federation, says using ultrasound to screen people for narrowed arteries in the neck is the best way to identify people at excess risk for stroke. He recommends that men undergo a baseline ultrasound screening of their carotid arteries between the ages of 50 and 60, depending on their overall health. He says that both men and women with diabetes, hypertension or a family history of stroke – all of which increase the risk of stroke – should be screened even earlier.
Karen Richardson | EurekAlert!
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01.12.2016 | IDIBELL-Bellvitge Biomedical Research Institute
A multi-institutional research collaboration has created a novel approach for fabricating three-dimensional micro-optics through the shape-defined formation of porous silicon (PSi), with broad impacts in integrated optoelectronics, imaging, and photovoltaics.
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In experiments with magnetic atoms conducted at extremely low temperatures, scientists have demonstrated a unique phase of matter: The atoms form a new type of quantum liquid or quantum droplet state. These so called quantum droplets may preserve their form in absence of external confinement because of quantum effects. The joint team of experimental physicists from Innsbruck and theoretical physicists from Hannover report on their findings in the journal Physical Review X.
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The Max Planck Institute for Physics (MPP) is opening up a new research field. A workshop from November 21 - 22, 2016 will mark the start of activities for an innovative axion experiment. Axions are still only purely hypothetical particles. Their detection could solve two fundamental problems in particle physics: What dark matter consists of and why it has not yet been possible to directly observe a CP violation for the strong interaction.
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The efficiency of power electronic systems is not solely dependent on electrical efficiency but also on weight, for example, in mobile systems. When the weight of relevant components and devices in airplanes, for instance, is reduced, fuel savings can be achieved and correspondingly greenhouse gas emissions decreased. New materials and components based on gallium nitride (GaN) can help to reduce weight and increase the efficiency. With these new materials, power electronic switches can be operated at higher switching frequency, resulting in higher power density and lower material costs.
Researchers at the Fraunhofer Institute for Solar Energy Systems ISE together with partners have investigated how these materials can be used to make power...
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