A stroke occurs when a blood vessel in the brain ruptures or a blockage stops the flow of blood, causing...

Every movement we make — from blinking to walking — requires a complex interaction between the central nervous system (brain...

There is no one test for Parkinson's, so it can take a while to diagnose the condition. Doctors can usually...

People who have parkinsonism may also experience other symptoms like sleep problems, constipation and loss of smell, depression and fatigue....

About a million people in the United States have parkinson's disease, a condition that can lead to tremor, slow movements,...