Progressive supranuclear palsy (PSP) is a rare brain disorder that affects approximately 6 in 100,000 people worldwide. It causes muscle weakness and affects gait, balance and overall movement, as well as the patient’s mood, cognitive skills and behavior. It was distinguished from Parkinson’s disease in 1963 as the “Steele-Richardson-Olszewski syndrome”. It is a progressive condition that usually shows onset around […]

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