Atypical parkinsonism is a term that refers to diseases that share some features of parkinsonism (slowness of movement, muscle stiffness, tremor, or walking/balance problems), but tend to be more rapidly progressive, while less likely to respond to the drugs used to treat Parkinson disease (PD).  Early in disease, a person with atypical parkinsonism may have … Continue reading What is atypical parkinsonism?