Dx of Parkinson's. Usually onset of sx's in late 50-60's in patients. They develope a resting pin- rolling tremor, masked facies, rigidity and slowing down of movements. They may also have postural instability and gait difficulties. Pls see an neurologist to be sure the condition is not "parkinsonism"related to medication, possible normopressure hydrocephalus or a stroke or brain mass.