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Drug does not increase suitability for dialysis of surgically-enlarged blood vessels The anti-platelet drug clopidogrel reduced the frequency of early blood clot formation in new surgically enlarged blood vessels (fistulas) created for patients requiring dialysis, but did not increase the proportion of these fistulas that subsequently became suitable for use during dialysis, according to a study in the May 14 issue of JAMA. Adding ultrasound to mammography may improve breast cancer detection in high-risk women The addition of an ultrasound examination to mammography for women at high-risk of breast cancer resulted in a higher rate of cancer detection, but also increased the number of false-positive results, according to a study in the May 14 issue of JAMA. National study examines health risks of coarse particle pollution Researchers at the Johns Hopkins Bloomberg School of Public Health have conducted the largest nationwide study on the acute health effects of coarse particle pollution. Coarse particles are airborne pollutants that fall between 2.5 and 10 microns in diameter. These particles are larger than fine particles (less than 2.5 microns) and are produced by processes such as mechanical grinding, windblown dust and agriculture. These particles are of interest from both public health and regulatory perspectives. France's Larousse sets up Wikipedia rival France's Larousse publishing house on Tuesday launched an online French-language encyclopedia offering free access to its dictionary and inviting users to contribute content, aiming to rival Wikipedia. We're watching the 'oppressors': world telecoms boss The head of the world telecoms body said on Tuesday that oppressive regimes are increasingly using their control over the Internet to deprive citizens of information but that those governments are being watched as well.
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