http://medicalxpress.com/ en-us Medical Xpress internet news portal provides the latest news on Health and Medicine. (Medical Xpress) -- New data offer hints to why Parkinson's disease so selectively harms brain cells that produce the chemical dopamine, say researchers at Washington University School of Medicine in St. Louis. http://medicalxpress.com/news/2011-05-disruption-nerve-cell-chain-contribute.html Neuroscience Thu, 12 May 2011 16:35:13 EST news224436895 (Medical Xpress) -- Cornell researchers have identified a group of spinal cord nerve cells that manages running in mice. In the process they have illuminated an interesting step in mouse evolution: When you're being chased by a hawk, you're better off scampering than galloping, even though galloping is faster. http://medicalxpress.com/news/2011-05-neural-wiring-mouse.html Neuroscience Thu, 12 May 2011 06:45:53 EST news224401492