© 2021 MJH Life Sciences and Psychiatric Times. All rights reserved.
© 2021 MJH Life Sciences™ and Psychiatric Times. All rights reserved.
November 01, 2007
Parkinson disease (PD) is a progressive neurodegenerative disorder affecting 1% of people 65 years and older. The core symptoms include the motor manifestations of tremor, bradykinesia, and rigidity.