Attention has turned to progressive supranuclear palsy, a rare neurodegenerative disorder. Here's what it is and why it's often mistaken for Parkinson’s disease.

Learn about progressive supranuclear palsy (PSP), a rare brain disorder affecting body movements, balance, and eye movements.

Progressive supranuclear palsy is a rare condition that took the life of Civil Rights icon Jesse Jackson. Also known as PSP, the disease is often confused with Parkinson’s, especially in the early ...

Jackson was diagnosed with progressive supranuclear palsy, also known as PSP. Here's what to know about his cause of death.