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News | Archive (21 September 2010)
Study examines HIV treatment response in men and women, finds overall similarities
— 12:52 GMT | HealthA new landmark study, which demonstrated it is possible to recruit large numbers of women into a clinical trial evaluating treatments for HIV infection, found no significant gender-based differences in response to the anti-HIV drugs darunavir and ritonavir - at least among those who remained in the trial to the end…
For neurones to work as a team, it helps to have a beat
— 12:52 GMT | HealthWhen it comes to conducting complex tasks, it turns out that the brain needs rhythm, according to researchers at the University of California, Berkeley…
Compound boosts marijuana-like chemical in the body to relieve pain at injury site
— 12:52 GMT | HealthAmerican and Italian researchers have found that a novel drug allows anandamide - a marijuana-like chemical in the body - to effectively control pain at the site of an injury…
Taking the pulse of coral reefs
— 12:52 GMT | EnvironmentHealthy reefs with more corals and fish generate predictably greater levels of noise, according to researchers working in Panama. This has important implications for understanding the behaviour of young fish, and provides an exciting new approach for monitoring environmental health by listening to reefs…
Climate change: Can geoengineering satisfy everyone?
— 12:52 GMT | EnvironmentReflecting sunlight from the Earth by geoengineering would undoubtedly cool the climate, but would different countries agree on how much to reflect? Research by climate scientists at the University of Bristol shows that the impact of geoengineering would be felt in very different ways across the world…
New options for enteral nutrition in patients with severe acute pancreatitis
— 12:51 GMT | HealthSevere acute pancreatitis (SAP) requires an adequate nutritional support. Enteral nutrition (EN) should be preferred to total parenteral nutrition in patients with SAP, as it is associated with reduced mortality and complications. However, in clinical practice EN is employed far less frequently than it should. The main obstacle to EN diffusion is that it is considered complicated, as to ensure full pancreatic rest, nutrition tubes should be placed in the jejunum, requiring often troublesome procedures. In the past few years, it has been proposed that EN through nasogastric (NG) tubes may be a simple, safe and equally valid alternative to nasojejunal tubes…
How to control massive bleeding from the hepatic artery
— 12:51 GMT | HealthDelayed hepatic arterial haemorrhage after pancreaticoduodenectomy (PD) is not a common but a fatal complication, occurring in 7% of all patients. Its ideal management remains unclear and controversial…
Effects of chemoradiation therapy by using capecitabine on gastric cancer patients
— 12:49 GMT | HealthGastric cancer is a major cause of cancer deaths in the world. The outcome of large gastric tumours and those with lymph node involvement remains poor after surgical resection. The optimal adjuvant therapy after surgical resection remains to be determined. The most common strategies in the adjuvant treatment of gastric cancers include fluoropyrimidine-based chemotherapy with or without radiation. The introduction of capecitabine has largely replaced continuous-infusion 5-fluorouracil (5-FU) owing to its ease of administration. However, its efficacy is not proven in randomised phase III trials involving gastric cancers…
The hot atmosphere of Venus might cool the interior of Earth's sister planet
— 12:49 GMT | AstronomyThe heat in the atmosphere of Venus, induced from a strong greenhouse warming, might actually have a cooling effect on the planet's interior. This counter-intuitive theory is based on calculations from a new model presented at the European Planetary Science Congress (EPSC) in Rome on Tuesday 21st September…
Martian methane lasts less than a year
— 12:48 GMT | AstronomyMethane in the atmosphere of Mars lasts less than a year, according to a study by Italian scientists. Sergio Fonti (Universita del Salento) and Giuseppe Marzo (NASA Ames) have used observations from NASA's Mars Global Surveyor spacecraft to track the evolution of the gas over three Martian years. They will be presenting their results at the European Planetary Science Congress 2010 in Rome on Tuesday 21st September…
Researchers identify a process that regulates seed germination
Student-designed device provides new way to track calorie burning