الأحد، 4 مارس 2012

ScienceDaily: Health & Medicine News

ScienceDaily: Health & Medicine News


New antibiotics? Solving mystery of how sulfa drugs kill bacteria yields 21st century drug development target

Posted: 02 Mar 2012 05:29 AM PST

Scientists have discovered a key enzyme structure in bacteria, a finding that lays the foundation for a new generation of antibiotics that are safer and less prone to drug resistance.

Older adults who sleep poorly react to stress with increased inflammation

Posted: 01 Mar 2012 07:37 AM PST

Older adults who sleep poorly have an altered immune system response to stress that may increase risk for mental and physical health problems, according to a new study. In the study, stress led to significantly larger increases in a marker of inflammation in poor sleepers compared to good sleepers -- a marker associated with poor health outcomes and death.

Drug offers relief for symptoms of myelofibrosis, according to multisite study

Posted: 01 Mar 2012 05:42 AM PST

People with a blood cancer -- myelofibrosis -- can benefit from a drug called ruxolitinib, according to a randomized, double-blind, placebo-controlled clinical trial.

How E. coli bacteria hijack cells' directional mechanism

Posted: 01 Mar 2012 05:41 AM PST

Working in the emerging field of systems biology, researchers mathematically predicted how bacteria that cause food poisoning hijack a cell's sense of direction and then confirmed those predictions in living cells.

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