Experimental plans: All patients and controls will consent to be subjects in this study. Data will be collected on the Siemens Skyra 3T scanner at the University of Saskatchewan using a 16 channel head/neck coil arrangement. The investigators main approach in this research is to collect MR data on the vasculature in the brain and neck, the iron content in the brain, and standard anatomical scans for 20 patients with idiopathic Parkinson's disease and 10 age matched normal subjects. MR venography, flow quantification and susceptibility weighted imaging will be used.