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News | Archive (30 March 2011)
1 in 3 women suffer post-sex blues
— 17:46 GMT | HealthPost-sex blues is not a sexual behaviour commonly discussed, but a Queensland University of Technology (QUT) study of more than 200 young women has found one in three (32.9 per cent) had experienced the phenomenon at some point…
Parasite-induced genetically driven autoimmune chagas disease
— 17:43 GMT | HealthResearchers have shown that the Trypanosoma cruzi agent of Chagas Disease (CD) invades host embryo cells and spreads its mitochondrial DNA (kDNA) minicircles into the host's genome. Dr Antonio Teixeira and associates at the University of Brasilia, Brazil, inoculated virulent typanosomes in fertile chicken eggs and documented the heritability and fixation of the kDNA mutations in the chicks and their progeny. The results, published in the open-access journal PLoS Neglected Tropical Diseases on March 29th, show that kDNA-mutated chickens undergo genotype alterations, developing an inflammatory heart condition similar to Chagas disease in humans…
America's most distressed areas threatened by emerging infections of poverty
— 17:40 GMT | HealthNeglected infections of poverty are the latest threat plaguing the poorest people living in the Gulf Coast states and in Washington, D.C., according to Dr Peter Hotez, Distinguished Research Professor and Chair of the Department of Microbiology, Immunology, and Tropical Medicine at The George Washington University and President of the Sabin Vaccine Institute, in an editorial published in the open-access journal PLoS Neglected Tropical Diseases on March 29th…
When is an asteroid not an asteroid?
— 17:37 GMT | AstronomyOn March 29, 1807, German astronomer Heinrich Wilhelm Olbers spotted Vesta as a pinprick of light in the sky. Two hundred and four years later, as NASA's Dawn spacecraft prepares to begin orbiting this intriguing world, scientists now know how special this world is, even if there has been some debate on how to classify it…
'Spincasting' holds promise for creation of nanoparticle thin films
— 17:34 GMT | TechnologyResearchers from North Carolina State University have investigated the viability of a technique called 'spincasting' for creating thin films of nanoparticles on an underlying substrate - an important step in the creation of materials with a variety of uses, from optics to electronics…
Health care IT providers need to do more to solicit user feedback
— 17:31 GMT | HealthInformation technology (IT) companies need to bring in doctors and other health care stakeholders in order to ensure that new technologies and applications are actually useful to the health care system - something which is currently fragmented at best, according to a recent paper from North Carolina State University…
Study finds surprising gender differences related to sexual harassment
— 17:28 GMT | HealthSexual harassment may have become so commonplace for women that they have built up resistance to harassing behaviour they consider merely 'bothersome,' suggests a provocative new study by Michigan State University researchers…
MIT: New blood-testing device can quickly spot cancer cells, HIV
— 17:25 GMT | HealthA Harvard bioengineer and an MIT aeronautical engineer have created a new device that can detect single cancer cells in a blood sample, potentially allowing doctors to quickly determine whether cancer has spread from its original site…
Alzheimer's-like brain changes found in cognitively normal elders with amyloid plaques
— 17:22 GMT | HealthResearchers using two brain-imaging technologies have found that apparently normal older individuals with brain deposits of amyloid beta - the primary constituent of the plaques found in the brains of Alzheimer's disease patients - also had changes in brain structure similar to those seen in Alzheimer's patients. Results of the study, which has received early online publication in the Annals of Neurology, may help identify individuals who could be candidates for therapies to prevent the development of dementia…
Cost of heart drugs makes patients skip pills, putting themselves at risk
— 17:19 GMT | HealthFor more than 5 million Americans with heart failure, a critical step to better health is taking the medications they're prescribed. But many patients fail to do so, putting themselves at greater risk of hospitalisation and even death. To date, studies have not fully answered why patients fall short when it comes to taking heart medicine. In a study appearing in the April issue of Mayo Clinic Proceedings, Mayo Clinic researchers found the drugs' cost is one of the biggest deterrents…
STS-125 astronauts all on board
Hubble photographs a planetary nebula to commemorate decommissioning of super camera