Parkinson's Disease

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Postencephalitic Parkinsonism
As anyone will recall who has read the book, Awakenings, by neurologist Dr. Oliver Sacks, or seen the movie made from it, a severe viral disease called encephalitis lethargica struck down almost 5 million people worldwide in the years just after World War I. It disappeared during the 1920s, but not before it killed one-third of its victims and cast others into a seemingly catatonic state. This "sleeping sickness," as it was called in the United States, wa...Read the full article