sudafed. open up. cerebro spinal fluid may play a role in diagnosing parkinson's disease. parkinson's patients had lower levels in cerebral spinal fluid than people without the disease. this type of biomarker could one day help diagnose parkinson's in high-risk patients. with friends like these, new study from the pew research center finds more than 70% of tea party republicans disagree with the job gop leadership is doing in congress. now with the potential for a government shutdown and a looming debt ceiling fight, the stakes for party infighting are