News tagged with highest frequency
Visualizing atomic-scale acoustic wavesin nanostructures
Jul 03, 2008 |
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Acoustic waves play many everyday roles - from communication between people to ultrasound imaging. Now the highest frequency acoustic waves in materials, with nearly atomic-scale wavelengths, promise to be ...
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Migraine raises risk of most common form of stroke
15 hours ago |
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Pooling results from 21 studies, involving 622,381 men and women, researchers at Johns Hopkins have affirmed that migraine headaches are associated with more than twofold higher chances of the most common kind of stroke: ...
TV bombards children with commercials for high-fat and high-sugar foods
Nov 04, 2009 |
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Childhood obesity in the United States is reaching epidemic proportions. With more than one fourth of advertising on daytime and prime time television devoted to foods and beverages and continuing questions about the role ...
Depressed pregnant women could be at higher risk for severe response to flu infection
Oct 28, 2009 |
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(PhysOrg.com) -- Pregnant women with significant symptoms of depression tend to have a stronger biological reaction to the seasonal flu vaccine than do women with lower depression levels, according to a new study.
Examining genetic variations among the Huichol population of Mexico
Oct 26, 2009 |
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Mexican researchers examined the polymorphisms of three enzymes -- alcohol dehydrogenase (ADH1B), aldehyde dehydrogenase (ALDH2) and cytochrome P4502E1 (CYP2E1) -- in the Mestizo and Huichol groups.The Huichols, an indigenous ...
New studies explore connection between high stress jobs and GI disorders
Oct 26, 2009 |
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In two new studies, presented at the American College of Gastroenterology's (ACG) 74th Annual Scientific meeting in San Diego, researchers explored the connection between high stress, high exposure occupations and long-term ...
Lifestyle changes remain important in fighting peripheral arterial disease
Oct 21, 2009 |
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Modifying the risk of peripheral arterial disease (or PAD)—with healthy lifestyle changes—remains vital to one's health, note researchers in a recent issue of the Journal of Vascular and Interventional Radiology. And while ...
Smallest nanoantennas for high-speed data networks
Oct 20, 2009 |
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More than 120 years after the discovery of the electromagnetic character of radio waves by Heinrich Hertz, wireless data transmission dominates information technology. Higher and higher radio frequencies are ...
African American lung cancer patients may have different response to new cancer-fighting drugs
Oct 07, 2009 |
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Clinical research out of University Hospitals Case Medical Center has found that African Americans with a common form of lung cancer have a lower frequency of drug-sensitizing genetic mutations, which may impact response ...
Fujitsu Develops Millimeter-Wave Gallium-Nitride Transceiver Amplifier Chipset
Sep 30, 2009 |
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Fujitsu announced today the development of the world's first gallium-nitride HEMT-based transceiver amplifier chipset for broadband wireless transmission equipment operating in the millimeter bandwidth, the ...
Calcium scans may be effective screening tool for heart disease
Sep 30, 2009 |
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A simple, non-invasive test appears to be an effective screening tool for identifying patients with silent heart disease who are at risk for a heart attack or sudden death. Coronary artery calcium scans can be done without ...
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