Introduction
Parkinson’s disease (PD) is a neurodegenerative disease that tends to occur in older adults.1 Its incidence is increasing annually with the aging population.2 PD generally involves motor symptoms as the core, but non-motor…
Parkinson’s disease (PD) is a neurodegenerative disease that tends to occur in older adults.1 Its incidence is increasing annually with the aging population.2 PD generally involves motor symptoms as the core, but non-motor…