Changing Our Clocks: New Research Explores How Our Bodies Keep Time

February 11, 2008 — Our alarm clocks may spring forward on March 9, but our biological clocks may take longer to adjust. That's because our internal clocks are so tightly wound to many physiological and behavioral ... > full story

• HIV Drugs, Abacavir And Didanosine Increase The Risk Of Heart Attack, Study Suggests
• February 11, 2008 — A study to assess the adverse effects of anti-retroviral drugs shows that two widely-used HIV drugs are associated with an increased risk of heart attack/the formation of blood clots in the heart. ... > full story
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• New Therapy Possibilities For Lung Disease Patients
  February 11, 2008 — A new study may change current thinking about how best to treat patients in respiratory distress in hospital intensive care units. It has been commonly believed that high levels of carbon dioxide or ... > full story
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• How One Protein Binds To Genes And Regulates Human Genome
  February 11, 2008 — Out of chaos, control: Molecular biologists have discovered how a protein called PARP-1 binds to genes and regulates their expression across the human genome. Knowing where PARP-1 is located and how ... > full story
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• Discovery Of Good -- And Bad -- Liver Stem Cells Raises Possibility Of New Treatment
  February 11, 2008 — Many scientists believe up to 40 percent of liver cancer is caused by stem cells gone wild. Despite years spent looking, no one has ever found these liver "cancer stem cells." Now, researchers report ... > full story
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• Why Certain Ovarian Cancers Develop Resistance To Platinum-based Chemotherapy
  February 11, 2008 — Scientists have identified a new mechanism that explains why some recurrent ovarian tumors become resistant to treatment with commonly used platinum-based chemotherapy drugs such as cisplatin and ... > full story
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• Some 'Junk' DNA Is Important Guide For Nerve-cell Channel Production
  February 11, 2008 — Researchers have discovered that introns, or junk DNA to some, associated with RNA are an important molecular guide to making nerve-cell electrical channels. They hope to relate this knowledge to ... > full story
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• Drug-resistant E. Coli And Klebsiella Bacteria Found In Hospital Samples And Elsewhere In US
  February 11, 2008 — A research team examining bacterial isolates obtained in hospital and non-hospital clinical settings between 2000 and 2006, has identified drug-resistant strains of E. coli and Klebsiella bacteria in ... > full story
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• Artificial Sweeteners Linked To Weight Gain
  February 11, 2008 — Want to lose weight? It might help to pour that diet soda down the drain. Researchers have laboratory evidence that the widespread use of no-calorie sweeteners may actually make it harder for people ... > full story
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• New Virus Responsible For Deaths Of Transplant Recipients In Australia, Scientists Confirm
  February 11, 2008 — In the first application of high throughput DNA sequencing technology to investigate an infectious disease outbreak, scientists link the discovery of a new arenavirus to the deaths of three ... > full story