Parkinson's disease does more than cause tremors and trouble walking. It can also affect sleep, smell, digestion and even thinking. NPR's Jon Hamilton reports on new research suggesting that's because ...

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

For decades, Parkinson’s disease has been diagnosed only after tremors, stiffness and slowed movement are already disrupting ...

A groundbreaking international clinical trial has been testing an implanted adaptive deep brain stimulation (aDBS) device as a treatment therapy for Parkinson’s.

Depression in older adults may sometimes signal the early stages of Parkinson’s disease or Lewy body dementia. Researchers found that depression often appears years before diagnosis and remains ...